2011122112012 has 48 divisors (see below), whose sum is σ = 3893466310272. Its totient is φ = 902929248000.

The previous prime is 2011122111983. The next prime is 2011122112033. The reversal of 2011122112012 is 2102112211102.

It is a super-2 number, since 2×2011122112012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9030918 + ... + 9250930.

It is an arithmetic number, because the mean of its divisors is an integer number (81113881464).

Almost surely, 2^{2011122112012} is an apocalyptic number.

It is an amenable number.

2011122112012 is a deficient number, since it is larger than the sum of its proper divisors (1882344198260).

2011122112012 is a wasteful number, since it uses less digits than its factorization.

2011122112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224818 (or 224816 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011122112012 its reverse (2102112211102), we get a palindrome (4113234323114).

The spelling of 2011122112012 in words is "two trillion, eleven billion, one hundred twenty-two million, one hundred twelve thousand, twelve".