212022121100 has 36 divisors (see below), whose sum is σ = 460275035304. Its totient is φ = 84774372480.

The previous prime is 212022121081. The next prime is 212022121123. The reversal of 212022121100 is 1121220212.

It is a super-3 number, since 3×212022121100³ (a number of 35 digits) contains 333 as substring.

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, 183017 + ... + 676416.

Almost surely, 2^212022121100 is an apocalyptic number.

212022121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022121100 is an abundant number, since it is smaller than the sum of its proper divisors (248252914204).

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

212022121100 is a wasteful number, since it uses less digits than its factorization.

212022121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861914 (or 861907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212022121100 its reverse (1121220212), we get a palindrome (213143341312).

The spelling of 212022121100 in words is "two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred".