1012112012111 has 16 divisors (see below), whose sum is σ = 1076058261600. Its totient is φ = 949235760000.

The previous prime is 1012112012089. The next prime is 1012112012123. The reversal of 1012112012111 is 1112102112101.

It is a cyclic number.

It is not a de Polignac number, because 1012112012111 - 2²² = 1012107817807 is a prime.

It is a super-3 number, since 3×1012112012111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112011111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18973385 + ... + 19026653.

It is an arithmetic number, because the mean of its divisors is an integer number (67253641350).

Almost surely, 2^{1012112012111} is an apocalyptic number.

1012112012111 is a deficient number, since it is larger than the sum of its proper divisors (63946249489).

1012112012111 is a wasteful number, since it uses less digits than its factorization.

1012112012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63290.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1012112012111 its reverse (1112102112101), we get a palindrome (2124214124212).

The spelling of 1012112012111 in words is "one trillion, twelve billion, one hundred twelve million, twelve thousand, one hundred eleven".