10221211210101 has 16 divisors (see below), whose sum is σ = 14098329658560. Its totient is φ = 6579120360960.

The previous prime is 10221211210073. The next prime is 10221211210103. The reversal of 10221211210101 is 10101211212201.

It is a happy number.

It is not a de Polignac number, because 10221211210101 - 2⁵ = 10221211210069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221211210103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13555806 + ... + 14289936.

It is an arithmetic number, because the mean of its divisors is an integer number (881145603660).

Almost surely, 2^{10221211210101} is an apocalyptic number.

It is an amenable number.

10221211210101 is a deficient number, since it is larger than the sum of its proper divisors (3877118448459).

10221211210101 is a wasteful number, since it uses less digits than its factorization.

10221211210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894196.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10221211210101 its reverse (10101211212201), we get a palindrome (20322422422302).

The spelling of 10221211210101 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, one hundred one".