111210101012 has 12 divisors (see below), whose sum is σ = 194620079136. Its totient is φ = 55604364120.

The previous prime is 111210100919. The next prime is 111210101081. The reversal of 111210101012 is 210101012111.

It is a junction number, because it is equal to n+sod(n) for n = 111210100984 and 111210101002.

It is a congruent number.

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, 418187 + ... + 630317.

It is an arithmetic number, because the mean of its divisors is an integer number (16218339928).

Almost surely, 2^111210101012 is an apocalyptic number.

It is an amenable number.

111210101012 is a deficient number, since it is larger than the sum of its proper divisors (83409978124).

111210101012 is a wasteful number, since it uses less digits than its factorization.

111210101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343198 (or 343196 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111210101012 its reverse (210101012111), we get a palindrome (321311113123).

It can be divided in two parts, 111 and 210101012, that multiplied together give a palindrome (23321212332).

The spelling of 111210101012 in words is "one hundred eleven billion, two hundred ten million, one hundred one thousand, twelve".