100211111220222 has 32 divisors (see below), whose sum is σ = 230370370624800. Its totient is φ = 32251851886464.

The previous prime is 100211111220173. The next prime is 100211111220239. The reversal of 100211111220222 is 222022111112001.

100211111220222 is a `hidden beast` number, since 1 + 0 + 0 + 211 + 1 + 11 + 220 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 100211111220195 and 100211111220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31995883243 + ... + 31995886374.

It is an arithmetic number, because the mean of its divisors is an integer number (7199074082025).

Almost surely, 2^{100211111220222} is an apocalyptic number.

100211111220222 is an abundant number, since it is smaller than the sum of its proper divisors (130159259404578).

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

100211111220222 is a wasteful number, since it uses less digits than its factorization.

100211111220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63991769657 (or 63991769651 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100211111220222 its reverse (222022111112001), we get a palindrome (322233222332223).

The spelling of 100211111220222 in words is "one hundred trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-two".