210222112100 has 144 divisors (see below), whose sum is σ = 612496381056. Its totient is φ = 60483456000.

The previous prime is 210222112099. The next prime is 210222112103. The reversal of 210222112100 is 1211222012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (210222112103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949961 + ... + 1150160.

Almost surely, 2^210222112100 is an apocalyptic number.

210222112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222112100 is an abundant number, since it is smaller than the sum of its proper divisors (402274268956).

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

210222112100 is a wasteful number, since it uses less digits than its factorization.

210222112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100166 (or 2100159 counting only the distinct ones).

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

Adding to 210222112100 its reverse (1211222012), we get a palindrome (211433334112).

The spelling of 210222112100 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, one hundred".