2110001211021 has 16 divisors (see below), whose sum is σ = 3174923453760. Its totient is φ = 1234692453120.

The previous prime is 2110001211013. The next prime is 2110001211089. The reversal of 2110001211021 is 1201121000112.

It is not a de Polignac number, because 2110001211021 - 2³ = 2110001211013 is a prime.

It is a super-2 number, since 2×2110001211021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110001210988 and 2110001211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110001212021) 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, 1102403020 + ... + 1102404933.

It is an arithmetic number, because the mean of its divisors is an integer number (198432715860).

Almost surely, 2^{2110001211021} is an apocalyptic number.

It is an amenable number.

2110001211021 is a deficient number, since it is larger than the sum of its proper divisors (1064922242739).

2110001211021 is a wasteful number, since it uses less digits than its factorization.

2110001211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204807996.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2110001211021 its reverse (1201121000112), we get a palindrome (3311122211133).

The spelling of 2110001211021 in words is "two trillion, one hundred ten billion, one million, two hundred eleven thousand, twenty-one".