20102021020122 has 48 divisors (see below), whose sum is σ = 40986622797120. Its totient is φ = 6572689417216.

The previous prime is 20102021020073. The next prime is 20102021020201. The reversal of 20102021020122 is 22102012020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72147763 + ... + 72425849.

It is an arithmetic number, because the mean of its divisors is an integer number (853887974940).

Almost surely, 2^{20102021020122} is an apocalyptic number.

20102021020122 is an abundant number, since it is smaller than the sum of its proper divisors (20884601776998).

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

20102021020122 is a wasteful number, since it uses less digits than its factorization.

20102021020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282487 (or 282434 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102021020122 its reverse (22102012020102), we get a palindrome (42204033040224).

The spelling of 20102021020122 in words is "twenty trillion, one hundred two billion, twenty-one million, twenty thousand, one hundred twenty-two".