20321300121122 has 128 divisors (see below), whose sum is σ = 43128220262400. Its totient is φ = 6916097260800.

The previous prime is 20321300121071. The next prime is 20321300121149. The reversal of 20321300121122 is 22112100312302.

It is a super-2 number, since 2×20321300121122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20321300121094 and 20321300121103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34359404 + ... + 34945832.

It is an arithmetic number, because the mean of its divisors is an integer number (336939220800).

Almost surely, 2^{20321300121122} is an apocalyptic number.

20321300121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20321300121122 is an abundant number, since it is smaller than the sum of its proper divisors (22806920141278).

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

20321300121122 is a wasteful number, since it uses less digits than its factorization.

20321300121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587392.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20321300121122 its reverse (22112100312302), we get a palindrome (42433400433424).

The spelling of 20321300121122 in words is "twenty trillion, three hundred twenty-one billion, three hundred million, one hundred twenty-one thousand, one hundred twenty-two".