2011012012122 has 16 divisors (see below), whose sum is σ = 4090193923680. Its totient is φ = 658975687472.

The previous prime is 2011012012117. The next prime is 2011012012133. The reversal of 2011012012122 is 2212102101102.

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, 2840412093 + ... + 2840412800.

It is an arithmetic number, because the mean of its divisors is an integer number (255637120230).

Almost surely, 2^{2011012012122} is an apocalyptic number.

2011012012122 is an abundant number, since it is smaller than the sum of its proper divisors (2079181911558).

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

2011012012122 is a wasteful number, since it uses less digits than its factorization.

2011012012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680824957.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011012012122 its reverse (2212102101102), we get a palindrome (4223114113224).

The spelling of 2011012012122 in words is "two trillion, eleven billion, twelve million, twelve thousand, one hundred twenty-two".