20110122012102 has 32 divisors (see below), whose sum is σ = 40438311174144. Its totient is φ = 6667042483200.

The previous prime is 20110122012077. The next prime is 20110122012121. The reversal of 20110122012102 is 20121022101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4573702 + ... + 7819142.

It is an arithmetic number, because the mean of its divisors is an integer number (1263697224192).

Almost surely, 2^{20110122012102} is an apocalyptic number.

20110122012102 is an abundant number, since it is smaller than the sum of its proper divisors (20328189162042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110122012102 is a wasteful number, since it uses less digits than its factorization.

20110122012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251044.

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

Adding to 20110122012102 its reverse (20121022101102), we get a palindrome (40231144113204).

The spelling of 20110122012102 in words is "twenty trillion, one hundred ten billion, one hundred twenty-two million, twelve thousand, one hundred two".