20100100122213 has 32 divisors (see below), whose sum is σ = 28413919690752. Its totient is φ = 12616627003200.

The previous prime is 20100100122181. The next prime is 20100100122217. The reversal of 20100100122213 is 31222100100102.

It is not a de Polignac number, because 20100100122213 - 2⁵ = 20100100122181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20100100122192 and 20100100122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100100122217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65953020 + ... + 66257082.

It is an arithmetic number, because the mean of its divisors is an integer number (887934990336).

Almost surely, 2^{20100100122213} is an apocalyptic number.

It is an amenable number.

20100100122213 is a deficient number, since it is larger than the sum of its proper divisors (8313819568539).

20100100122213 is a wasteful number, since it uses less digits than its factorization.

20100100122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323345.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20100100122213 its reverse (31222100100102), we get a palindrome (51322200222315).

The spelling of 20100100122213 in words is "twenty trillion, one hundred billion, one hundred million, one hundred twenty-two thousand, two hundred thirteen".