20021222321102 has 32 divisors (see below), whose sum is σ = 30708997862400. Its totient is φ = 9787375791648.

The previous prime is 20021222321059. The next prime is 20021222321141. The reversal of 20021222321102 is 20112322212002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 546576524 + ... + 546613152.

It is an arithmetic number, because the mean of its divisors is an integer number (959656183200).

Almost surely, 2^{20021222321102} is an apocalyptic number.

20021222321102 is a deficient number, since it is larger than the sum of its proper divisors (10687775541298).

20021222321102 is a wasteful number, since it uses less digits than its factorization.

20021222321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70400.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20021222321102 its reverse (20112322212002), we get a palindrome (40133544533104).

The spelling of 20021222321102 in words is "twenty trillion, twenty-one billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred two".