102122211222 has 96 divisors (see below), whose sum is σ = 228920515200. Its totient is φ = 32885139456.

The previous prime is 102122211133. The next prime is 102122211229. The reversal of 102122211222 is 222112221201.

It is a happy number.

102122211222 is a `hidden beast` number, since 10 + 212 + 221 + 1 + 222 = 666.

102122211222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 102122211195 and 102122211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122211229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30823038 + ... + 30826350.

It is an arithmetic number, because the mean of its divisors is an integer number (2384588700).

Almost surely, 2^102122211222 is an apocalyptic number.

102122211222 is an abundant number, since it is smaller than the sum of its proper divisors (126798303978).

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

102122211222 is a wasteful number, since it uses less digits than its factorization.

102122211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862 (or 3859 counting only the distinct ones).

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

Adding to 102122211222 its reverse (222112221201), we get a palindrome (324234432423).

The spelling of 102122211222 in words is "one hundred two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".