222211202012100 has 216 divisors, whose sum is σ = 798947217938688. Its totient is φ = 50603710348800.

The previous prime is 222211202012081. The next prime is 222211202012117. The reversal of 222211202012100 is 1210202112222.

It is a happy number.

222211202012100 is a `hidden beast` number, since 2 + 22 + 211 + 20 + 201 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63369489 + ... + 66784088.

Almost surely, 2^{222211202012100} is an apocalyptic number.

222211202012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211202012100 is an abundant number, since it is smaller than the sum of its proper divisors (576736015926588).

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

222211202012100 is a wasteful number, since it uses less digits than its factorization.

222211202012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130153875 (or 130153865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222211202012100 its reverse (1210202112222), we get a palindrome (223421404124322).

The spelling of 222211202012100 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred two million, twelve thousand, one hundred".