111121101022012 has 96 divisors (see below), whose sum is σ = 208290708541440. Its totient is φ = 51689141038080.

The previous prime is 111121101022007. The next prime is 111121101022031. The reversal of 111121101022012 is 210220101121111.

It is a congruent number.

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, 3473495337 + ... + 3473527327.

It is an arithmetic number, because the mean of its divisors is an integer number (2169694880640).

Almost surely, 2^{111121101022012} is an apocalyptic number.

It is an amenable number.

111121101022012 is a deficient number, since it is larger than the sum of its proper divisors (97169607519428).

111121101022012 is a wasteful number, since it uses less digits than its factorization.

111121101022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33851 (or 33849 counting only the distinct ones).

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

Adding to 111121101022012 its reverse (210220101121111), we get a palindrome (321341202143123).

Subtracting 111121101022012 from its reverse (210220101121111), we obtain a palindrome (99099000099099).

The spelling of 111121101022012 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, twenty-two thousand, twelve".