1122100100212 has 48 divisors (see below), whose sum is σ = 2462431612032. Its totient is φ = 435532106880.

The previous prime is 1122100100201. The next prime is 1122100100239. The reversal of 1122100100212 is 2120010012211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1122100100192 and 1122100100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29062714 + ... + 29101297.

It is an arithmetic number, because the mean of its divisors is an integer number (51300658584).

Almost surely, 2^{1122100100212} is an apocalyptic number.

It is an amenable number.

1122100100212 is an abundant number, since it is smaller than the sum of its proper divisors (1340331511820).

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

1122100100212 is a wasteful number, since it uses less digits than its factorization.

1122100100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58164088 (or 58164086 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122100100212 its reverse (2120010012211), we get a palindrome (3242110112423).

The spelling of 1122100100212 in words is "one trillion, one hundred twenty-two billion, one hundred million, one hundred thousand, two hundred twelve".