222000211122100 has 18 divisors (see below), whose sum is σ = 481740458135174. Its totient is φ = 88800084448800.

The previous prime is 222000211122059. The next prime is 222000211122127. The reversal of 222000211122100 is 1221112000222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3793722271504 + 218206488850596 = 1947748^2 + 14771814^2 .

It is a super-2 number, since 2×222000211122100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110001055511 + ... + 1110001055710.

Almost surely, 2^{222000211122100} is an apocalyptic number.

222000211122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000211122100 is an abundant number, since it is smaller than the sum of its proper divisors (259740247013074).

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

222000211122100 is a wasteful number, since it uses less digits than its factorization.

222000211122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220002111235 (or 2220002111228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222000211122100 its reverse (1221112000222), we get a palindrome (223221323122322).

The spelling of 222000211122100 in words is "two hundred twenty-two trillion, two hundred eleven million, one hundred twenty-two thousand, one hundred".