2021432223100 has 36 divisors (see below), whose sum is σ = 4488519745864. Its totient is φ = 789768866880.

The previous prime is 2021432223091. The next prime is 2021432223119. The reversal of 2021432223100 is 13222341202.

It is a super-2 number, since 2×2021432223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235045959 + ... + 235054558.

Almost surely, 2^{2021432223100} is an apocalyptic number.

2021432223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021432223100 is an abundant number, since it is smaller than the sum of its proper divisors (2467087522764).

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

2021432223100 is a wasteful number, since it uses less digits than its factorization.

2021432223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470100574 (or 470100567 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2021432223100 its reverse (13222341202), we get a palindrome (2034654564302).

The spelling of 2021432223100 in words is "two trillion, twenty-one billion, four hundred thirty-two million, two hundred twenty-three thousand, one hundred".