20101102012122 has 16 divisors (see below), whose sum is σ = 41137139002080. Its totient is φ = 6544544841072.

The previous prime is 20101102012009. The next prime is 20101102012129. The reversal of 20101102012122 is 22121020110102.

It is not an unprimeable number, because it can be changed into a prime (20101102012129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38955623797 + ... + 38955624312.

It is an arithmetic number, because the mean of its divisors is an integer number (2571071187630).

Almost surely, 2^{20101102012122} is an apocalyptic number.

20101102012122 is an abundant number, since it is smaller than the sum of its proper divisors (21036036989958).

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

20101102012122 is a wasteful number, since it uses less digits than its factorization.

20101102012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77911248157.

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

Adding to 20101102012122 its reverse (22121020110102), we get a palindrome (42222122122224).

The spelling of 20101102012122 in words is "twenty trillion, one hundred one billion, one hundred two million, twelve thousand, one hundred twenty-two".