222002012100100 has 72 divisors (see below), whose sum is σ = 499187568978560. Its totient is φ = 85637749841280.

The previous prime is 222002012100059. The next prime is 222002012100119. The reversal of 222002012100100 is 1001210200222.

It is a happy 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, 326422167 + ... + 327101566.

Almost surely, 2^{222002012100100} is an apocalyptic number.

222002012100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002012100100 is an abundant number, since it is smaller than the sum of its proper divisors (277185556878460).

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

222002012100100 is a wasteful number, since it uses less digits than its factorization.

222002012100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653523869 (or 653523862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222002012100100 its reverse (1001210200222), we get a palindrome (223003222300322).

The spelling of 222002012100100 in words is "two hundred twenty-two trillion, two billion, twelve million, one hundred thousand, one hundred".