22143201242100 has 72 divisors (see below), whose sum is σ = 64091141237760. Its totient is φ = 5902689703680.

The previous prime is 22143201242089. The next prime is 22143201242131. The reversal of 22143201242100 is 124210234122.

It is a super-2 number, since 2×22143201242100² (a number of 27 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 23 ways as a sum of consecutive naturals, for example, 12704692 + ... + 14342091.

Almost surely, 2^{22143201242100} is an apocalyptic number.

22143201242100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143201242100 is an abundant number, since it is smaller than the sum of its proper divisors (41947939995660).

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

22143201242100 is a wasteful number, since it uses less digits than its factorization.

22143201242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27049529 (or 27049522 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22143201242100 its reverse (124210234122), we get a palindrome (22267411476222).

The spelling of 22143201242100 in words is "twenty-two trillion, one hundred forty-three billion, two hundred one million, two hundred forty-two thousand, one hundred".