10202012012111 has 128 divisors (see below), whose sum is σ = 11863493591040. Its totient is φ = 8730176716800.

The previous prime is 10202012012107. The next prime is 10202012012113. The reversal of 10202012012111 is 11121021020201.

It is a cyclic number.

It is not a de Polignac number, because 10202012012111 - 2² = 10202012012107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202012012113) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21845849900 + ... + 21845850366.

It is an arithmetic number, because the mean of its divisors is an integer number (92683543680).

Almost surely, 2^{10202012012111} is an apocalyptic number.

10202012012111 is a deficient number, since it is larger than the sum of its proper divisors (1661481578929).

10202012012111 is a wasteful number, since it uses less digits than its factorization.

10202012012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202012012111 its reverse (11121021020201), we get a palindrome (21323033032312).

The spelling of 10202012012111 in words is "ten trillion, two hundred two billion, twelve million, twelve thousand, one hundred eleven".