100022011212222 has 64 divisors (see below), whose sum is σ = 256740991372800. Its totient is φ = 28526776813440.

The previous prime is 100022011212199. The next prime is 100022011212283. The reversal of 100022011212222 is 222212110220001.

It is a happy number.

100022011212222 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 220 + 11 + 212 + 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 = 100022011212195 and 100022011212204.

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, 4952555322 + ... + 4952575517.

It is an arithmetic number, because the mean of its divisors is an integer number (4011577990200).

Almost surely, 2^{100022011212222} is an apocalyptic number.

100022011212222 is an abundant number, since it is smaller than the sum of its proper divisors (156718980160578).

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

100022011212222 is a wasteful number, since it uses less digits than its factorization.

100022011212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905130878 (or 9905130872 counting only the distinct ones).

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

Adding to 100022011212222 its reverse (222212110220001), we get a palindrome (322234121432223).

The spelling of 100022011212222 in words is "one hundred trillion, twenty-two billion, eleven million, two hundred twelve thousand, two hundred twenty-two".