2011012121022 has 16 divisors (see below), whose sum is σ = 4022093247120. Its totient is φ = 670325872832.

The previous prime is 2011012121003. The next prime is 2011012121077. The reversal of 2011012121022 is 2201212101102.

It is a junction number, because it is equal to n+sod(n) for n = 2011012120992 and 2011012121010.

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, 2492433 + ... + 3199100.

It is an arithmetic number, because the mean of its divisors is an integer number (251380827945).

Almost surely, 2^{2011012121022} is an apocalyptic number.

2011012121022 is an abundant number, since it is smaller than the sum of its proper divisors (2011081126098).

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

2011012121022 is a wasteful number, since it uses less digits than its factorization.

2011012121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750427.

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

Adding to 2011012121022 its reverse (2201212101102), we get a palindrome (4212224222124).

The spelling of 2011012121022 in words is "two trillion, eleven billion, twelve million, one hundred twenty-one thousand, twenty-two".