10121221201031 has 8 divisors (see below), whose sum is σ = 10561731437184. Its totient is φ = 9680749059960.

The previous prime is 10121221200989. The next prime is 10121221201043. The reversal of 10121221201031 is 13010212212101.

It is a happy number.

10121221201031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121221201031 - 2⁶ = 10121221200967 is a prime.

It is a super-2 number, since 2×10121221201031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121221231031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980181 + ... + 10044206.

It is an arithmetic number, because the mean of its divisors is an integer number (1320216429648).

Almost surely, 2^{10121221201031} is an apocalyptic number.

10121221201031 is a deficient number, since it is larger than the sum of its proper divisors (440510236153).

10121221201031 is a wasteful number, since it uses less digits than its factorization.

10121221201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19047541.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10121221201031 its reverse (13010212212101), we get a palindrome (23131433413132).

The spelling of 10121221201031 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred one thousand, thirty-one".