20101122020102 has 16 divisors (see below), whose sum is σ = 30291441424272. Its totient is φ = 10004058443040.

The previous prime is 20101122020081. The next prime is 20101122020117. The reversal of 20101122020102 is 20102022110102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20409428 + ... + 21371639.

It is an arithmetic number, because the mean of its divisors is an integer number (1893215089017).

Almost surely, 2^{20101122020102} is an apocalyptic number.

20101122020102 is a deficient number, since it is larger than the sum of its proper divisors (10190319404170).

20101122020102 is a wasteful number, since it uses less digits than its factorization.

20101122020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41782183.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101122020102 its reverse (20102022110102), we get a palindrome (40203144130204).

The spelling of 20101122020102 in words is "twenty trillion, one hundred one billion, one hundred twenty-two million, twenty thousand, one hundred two".