20103121033122 has 32 divisors (see below), whose sum is σ = 41505375343104. Its totient is φ = 6484540608000.

The previous prime is 20103121033109. The next prime is 20103121033129. The reversal of 20103121033122 is 22133012130102.

It is not an unprimeable number, because it can be changed into a prime (20103121033129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790098 + ... + 6389874.

It is an arithmetic number, because the mean of its divisors is an integer number (1297042979472).

Almost surely, 2^{20103121033122} is an apocalyptic number.

20103121033122 is an abundant number, since it is smaller than the sum of its proper divisors (21402254309982).

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

20103121033122 is a wasteful number, since it uses less digits than its factorization.

20103121033122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619114.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20103121033122 its reverse (22133012130102), we get a palindrome (42236133163224).

The spelling of 20103121033122 in words is "twenty trillion, one hundred three billion, one hundred twenty-one million, thirty-three thousand, one hundred twenty-two".