21203332112022 has 16 divisors (see below), whose sum is σ = 42407222043072. Its totient is φ = 7067684400840.

The previous prime is 21203332111979. The next prime is 21203332112093. The reversal of 21203332112022 is 22021123330212.

It is a junction number, because it is equal to n+sod(n) for n = 21203332111983 and 21203332112001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22747504 + ... + 23661267.

It is an arithmetic number, because the mean of its divisors is an integer number (2650451377692).

Almost surely, 2^{21203332112022} is an apocalyptic number.

21203332112022 is an abundant number, since it is smaller than the sum of its proper divisors (21203889931050).

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

21203332112022 is a wasteful number, since it uses less digits than its factorization.

21203332112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46484923.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21203332112022 its reverse (22021123330212), we get a palindrome (43224455442234).

The spelling of 21203332112022 in words is "twenty-one trillion, two hundred three billion, three hundred thirty-two million, one hundred twelve thousand, twenty-two".