20010122221002 has 32 divisors (see below), whose sum is σ = 40507850108544. Its totient is φ = 6589261224000.

The previous prime is 20010122220929. The next prime is 20010122221031. The reversal of 20010122221002 is 20012222101002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60847693 + ... + 61175664.

It is an arithmetic number, because the mean of its divisors is an integer number (1265870315892).

Almost surely, 2^{20010122221002} is an apocalyptic number.

20010122221002 is an abundant number, since it is smaller than the sum of its proper divisors (20497727887542).

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

20010122221002 is a wasteful number, since it uses less digits than its factorization.

20010122221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122023694.

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

Adding to 20010122221002 its reverse (20012222101002), we get a palindrome (40022344322004).

The spelling of 20010122221002 in words is "twenty trillion, ten billion, one hundred twenty-two million, two hundred twenty-one thousand, two".