20002102111212 has 48 divisors (see below), whose sum is σ = 53218262637792. Its totient is φ = 5792463959040.

The previous prime is 20002102111193. The next prime is 20002102111223. The reversal of 20002102111212 is 21211120120002.

It is a super-2 number, since 2×20002102111212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002102111191 and 20002102111200.

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, 3771132739 + ... + 3771138042.

It is an arithmetic number, because the mean of its divisors is an integer number (1108713804954).

Almost surely, 2^{20002102111212} is an apocalyptic number.

It is an amenable number.

20002102111212 is an abundant number, since it is smaller than the sum of its proper divisors (33216160526580).

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

20002102111212 is a wasteful number, since it uses less digits than its factorization.

20002102111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542270818 (or 7542270816 counting only the distinct ones).

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

Adding to 20002102111212 its reverse (21211120120002), we get a palindrome (41213222231214).

The spelling of 20002102111212 in words is "twenty trillion, two billion, one hundred two million, one hundred eleven thousand, two hundred twelve".