222101111220102 has 64 divisors (see below), whose sum is σ = 512294054737920. Its totient is φ = 71249688050400.

The previous prime is 222101111220061. The next prime is 222101111220143. The reversal of 222101111220102 is 201022111101222.

222101111220102 is a `hidden beast` number, since 22 + 210 + 1 + 111 + 220 + 102 = 666.

It is an interprime number because it is at equal distance from previous prime (222101111220061) and next prime (222101111220143).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366207748 + ... + 366813735.

It is an arithmetic number, because the mean of its divisors is an integer number (8004594605280).

Almost surely, 2^{222101111220102} is an apocalyptic number.

222101111220102 is an abundant number, since it is smaller than the sum of its proper divisors (290192943517818).

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

222101111220102 is a wasteful number, since it uses less digits than its factorization.

222101111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733021706 (or 733021700 counting only the distinct ones).

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

Adding to 222101111220102 its reverse (201022111101222), we get a palindrome (423123222321324).

The spelling of 222101111220102 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred eleven million, two hundred twenty thousand, one hundred two".