10202020122111 has 16 divisors (see below), whose sum is σ = 13653054455040. Its totient is φ = 6776173194560.

The previous prime is 10202020122097. The next prime is 10202020122197. The reversal of 10202020122111 is 11122102020201.

It is a cyclic number.

It is not a de Polignac number, because 10202020122111 - 2¹⁰ = 10202020121087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202020122211) 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, 5054926 + ... + 6779108.

It is an arithmetic number, because the mean of its divisors is an integer number (853315903440).

Almost surely, 2^{10202020122111} is an apocalyptic number.

10202020122111 is a deficient number, since it is larger than the sum of its proper divisors (3451034332929).

10202020122111 is a wasteful number, since it uses less digits than its factorization.

10202020122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731486.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10202020122111 its reverse (11122102020201), we get a palindrome (21324122142312).

The spelling of 10202020122111 in words is "ten trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, one hundred eleven".