1102210111212 has 48 divisors (see below), whose sum is σ = 3007581088512. Its totient is φ = 307593518400.

The previous prime is 1102210111201. The next prime is 1102210111243. The reversal of 1102210111212 is 2121110122011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102210111191 and 1102210111200.

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, 152572539 + ... + 152579762.

It is an arithmetic number, because the mean of its divisors is an integer number (62657939344).

Almost surely, 2^{1102210111212} is an apocalyptic number.

1102210111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102210111212 is an abundant number, since it is smaller than the sum of its proper divisors (1905370977300).

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

1102210111212 is a wasteful number, since it uses less digits than its factorization.

1102210111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305152358 (or 305152356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1102210111212 its reverse (2121110122011), we get a palindrome (3223320233223).

The spelling of 1102210111212 in words is "one trillion, one hundred two billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".