10120211102121 has 16 divisors (see below), whose sum is σ = 13549738675200. Its totient is φ = 6718786287120.

The previous prime is 10120211102117. The next prime is 10120211102161. The reversal of 10120211102121 is 12120111202101.

It is a happy number.

10120211102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120211102121 - 2² = 10120211102117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120211102121.

It is not an unprimeable number, because it can be changed into a prime (10120211102161) 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, 4110271 + ... + 6093828.

It is an arithmetic number, because the mean of its divisors is an integer number (846858667200).

Almost surely, 2^{10120211102121} is an apocalyptic number.

It is an amenable number.

10120211102121 is a deficient number, since it is larger than the sum of its proper divisors (3429527573079).

10120211102121 is a wasteful number, since it uses less digits than its factorization.

10120211102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205476.

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

Adding to 10120211102121 its reverse (12120111202101), we get a palindrome (22240322304222).

The spelling of 10120211102121 in words is "ten trillion, one hundred twenty billion, two hundred eleven million, one hundred two thousand, one hundred twenty-one".