20213121112302 has 16 divisors (see below), whose sum is σ = 40457267752320. Its totient is φ = 6732536116152.

The previous prime is 20213121112297. The next prime is 20213121112333. The reversal of 20213121112302 is 20321112131202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292721852 + ... + 1292737487.

It is an arithmetic number, because the mean of its divisors is an integer number (2528579234520).

Almost surely, 2^{20213121112302} is an apocalyptic number.

20213121112302 is an abundant number, since it is smaller than the sum of its proper divisors (20244146640018).

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

20213121112302 is a wasteful number, since it uses less digits than its factorization.

20213121112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585460647.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20213121112302 its reverse (20321112131202), we get a palindrome (40534233243504).

The spelling of 20213121112302 in words is "twenty trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred twelve thousand, three hundred two".