220111210222002 has 96 divisors (see below), whose sum is σ = 532594364500224. Its totient is φ = 65126146579200.

The previous prime is 220111210221961. The next prime is 220111210222031. The reversal of 220111210222002 is 200222012111022.

It is a happy number.

220111210222002 is a `hidden beast` number, since 220 + 1 + 11 + 210 + 2 + 220 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24173163 + ... + 32008814.

It is an arithmetic number, because the mean of its divisors is an integer number (5547857963544).

Almost surely, 2^{220111210222002} is an apocalyptic number.

220111210222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111210222002 is an abundant number, since it is smaller than the sum of its proper divisors (312483154278222).

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

220111210222002 is a wasteful number, since it uses less digits than its factorization.

220111210222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56182464 (or 56182461 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220111210222002 its reverse (200222012111022), we get a palindrome (420333222333024).

The spelling of 220111210222002 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, two".