20111122111102 has 64 divisors (see below), whose sum is σ = 35194146902208. Its totient is φ = 8517484800000.

The previous prime is 20111122111097. The next prime is 20111122111133.

20111122111102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373973488 + ... + 374027260.

It is an arithmetic number, because the mean of its divisors is an integer number (549908545347).

Almost surely, 2^{20111122111102} is an apocalyptic number.

20111122111102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111122111102 is a deficient number, since it is larger than the sum of its proper divisors (15083024791106).

20111122111102 is a wasteful number, since it uses less digits than its factorization.

20111122111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63805.

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

It can be divided in two parts, 2011112 and 2111102, that added together give a palindrome (4122214).

The spelling of 20111122111102 in words is "twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred two".