10102211210121 has 16 divisors (see below), whose sum is σ = 13506809395200. Its totient is φ = 6716211589008.

The previous prime is 10102211210107. The next prime is 10102211210149. The reversal of 10102211210121 is 12101211220101.

It is a happy number.

It is not a de Polignac number, because 10102211210121 - 2⁹ = 10102211209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10102211210121.

It is not an unprimeable number, because it can be changed into a prime (10102211211121) 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, 33030820 + ... + 33335258.

It is an arithmetic number, because the mean of its divisors is an integer number (844175587200).

Almost surely, 2^{10102211210121} is an apocalyptic number.

It is an amenable number.

10102211210121 is a deficient number, since it is larger than the sum of its proper divisors (3404598185079).

10102211210121 is a wasteful number, since it uses less digits than its factorization.

10102211210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334948.

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

Adding to 10102211210121 its reverse (12101211220101), we get a palindrome (22203422430222).

The spelling of 10102211210121 in words is "ten trillion, one hundred two billion, two hundred eleven million, two hundred ten thousand, one hundred twenty-one".