1012100111122 has 8 divisors (see below), whose sum is σ = 1520496614016. Its totient is φ = 505267906452.

The previous prime is 1012100111117. The next prime is 1012100111149. The reversal of 1012100111122 is 2211110012101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391072938 + ... + 391075525.

It is an arithmetic number, because the mean of its divisors is an integer number (190062076752).

Almost surely, 2^{1012100111122} is an apocalyptic number.

1012100111122 is a deficient number, since it is larger than the sum of its proper divisors (508396502894).

1012100111122 is an equidigital number, since it uses as much as digits as its factorization.

1012100111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782149112.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012100111122 its reverse (2211110012101), we get a palindrome (3223210123223).

The spelling of 1012100111122 in words is "one trillion, twelve billion, one hundred million, one hundred eleven thousand, one hundred twenty-two".