222202120100 has 36 divisors (see below), whose sum is σ = 482381458944. Its totient is φ = 88843454880.

The previous prime is 222202120093. The next prime is 222202120103. The reversal of 222202120100 is 1021202222.

It is not an unprimeable number, because it can be changed into a prime (222202120103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227924 + ... + 704523.

Almost surely, 2^222202120100 is an apocalyptic number.

222202120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202120100 is an abundant number, since it is smaller than the sum of its proper divisors (260179338844).

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

222202120100 is a wasteful number, since it uses less digits than its factorization.

222202120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934844 (or 934837 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222202120100 its reverse (1021202222), we get a palindrome (223223322322).

The spelling of 222202120100 in words is "two hundred twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred".