2011110021012 has 24 divisors (see below), whose sum is σ = 4692614786496. Its totient is φ = 670366473088.

The previous prime is 2011110020993. The next prime is 2011110021029. The reversal of 2011110021012 is 2101200111102.

It is a super-2 number, since 2×2011110021012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005548 + ... + 3613244.

It is an arithmetic number, because the mean of its divisors is an integer number (195525616104).

Almost surely, 2^{2011110021012} is an apocalyptic number.

It is an amenable number.

2011110021012 is an abundant number, since it is smaller than the sum of its proper divisors (2681504765484).

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

2011110021012 is a wasteful number, since it uses less digits than its factorization.

2011110021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883487 (or 883485 counting only the distinct ones).

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

Adding to 2011110021012 its reverse (2101200111102), we get a palindrome (4112310132114).

The spelling of 2011110021012 in words is "two trillion, eleven billion, one hundred ten million, twenty-one thousand, twelve".