101031221001 has 8 divisors (see below), whose sum is σ = 134834312320. Its totient is φ = 67291138512.

The previous prime is 101031220987. The next prime is 101031221059. The reversal of 101031221001 is 100122130101.

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

It is not a de Polignac number, because 101031221001 - 2¹³ = 101031212809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15748465 + ... + 15754878.

It is an arithmetic number, because the mean of its divisors is an integer number (16854289040).

Almost surely, 2^101031221001 is an apocalyptic number.

It is an amenable number.

101031221001 is a deficient number, since it is larger than the sum of its proper divisors (33803091319).

101031221001 is a wasteful number, since it uses less digits than its factorization.

101031221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31504415.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101031221001 its reverse (100122130101), we get a palindrome (201153351102).

The spelling of 101031221001 in words is "one hundred one billion, thirty-one million, two hundred twenty-one thousand, one".