10212011022121 has 32 divisors (see below), whose sum is σ = 11277425249280. Its totient is φ = 9204758784000.

The previous prime is 10212011022029. The next prime is 10212011022167. The reversal of 10212011022121 is 12122011021201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212011022121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212011022095 and 10212011022104.

It is not an unprimeable number, because it can be changed into a prime (10212011020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113701210 + ... + 113790988.

It is an arithmetic number, because the mean of its divisors is an integer number (352419539040).

Almost surely, 2^{10212011022121} is an apocalyptic number.

It is an amenable number.

10212011022121 is a deficient number, since it is larger than the sum of its proper divisors (1065414227159).

10212011022121 is a wasteful number, since it uses less digits than its factorization.

10212011022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92065.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212011022121 its reverse (12122011021201), we get a palindrome (22334022043322).

The spelling of 10212011022121 in words is "ten trillion, two hundred twelve billion, eleven million, twenty-two thousand, one hundred twenty-one".