103212211122 has 48 divisors (see below), whose sum is σ = 242067466080. Its totient is φ = 32593323672.

The previous prime is 103212211117. The next prime is 103212211153. The reversal of 103212211122 is 221112212301.

103212211122 is a `hidden beast` number, since 1 + 0 + 321 + 221 + 1 + 122 = 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 = 103212211095 and 103212211104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2627788 + ... + 2666775.

It is an arithmetic number, because the mean of its divisors is an integer number (5043072210).

Almost surely, 2^103212211122 is an apocalyptic number.

103212211122 is an abundant number, since it is smaller than the sum of its proper divisors (138855254958).

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

103212211122 is a wasteful number, since it uses less digits than its factorization.

103212211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294612 (or 5294587 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 103212211122 its reverse (221112212301), we get a palindrome (324324423423).

The spelling of 103212211122 in words is "one hundred three billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-two".