20021122112002 has 32 divisors (see below), whose sum is σ = 33089974749504. Its totient is φ = 9009380952000.

The previous prime is 20021122111999. The next prime is 20021122112039.

It is a happy number.

20021122112002 is nontrivially palindromic in base 10.

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, 19194388 + ... + 20210560.

It is an arithmetic number, because the mean of its divisors is an integer number (1034061710922).

Almost surely, 2^{20021122112002} is an apocalyptic number.

20021122112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021122112002 is a deficient number, since it is larger than the sum of its proper divisors (13068852637502).

20021122112002 is a wasteful number, since it uses less digits than its factorization.

20021122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025154.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 2002112 and 2112002, that added together give a palindrome (4114114).

The spelling of 20021122112002 in words is "twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, two".