111212201000010 has 64 divisors (see below), whose sum is σ = 291797261443584. Its totient is φ = 26902802203200.

The previous prime is 111212200999967. The next prime is 111212201000029. The reversal of 111212201000010 is 10000102212111.

It is a self number, because there is not a number n which added to its sum of digits gives 111212201000010.

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, 360666736 + ... + 360974955.

It is an arithmetic number, because the mean of its divisors is an integer number (4559332210056).

Almost surely, 2^{111212201000010} is an apocalyptic number.

111212201000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212201000010 is an abundant number, since it is smaller than the sum of its proper divisors (180585060443574).

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

111212201000010 is a wasteful number, since it uses less digits than its factorization.

111212201000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721642179.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111212201000010 its reverse (10000102212111), we get a palindrome (121212303212121).

The spelling of 111212201000010 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred one million, ten", and thus it is an aban number.