2021012011122 has 32 divisors (see below), whose sum is σ = 4379654182848. Its totient is φ = 618034815936.

The previous prime is 2021012011093. The next prime is 2021012011163. The reversal of 2021012011122 is 2211102101202.

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, 79467073 + ... + 79492500.

It is an arithmetic number, because the mean of its divisors is an integer number (136864193214).

Almost surely, 2^{2021012011122} is an apocalyptic number.

2021012011122 is an abundant number, since it is smaller than the sum of its proper divisors (2358642171726).

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

2021012011122 is a wasteful number, since it uses less digits than its factorization.

2021012011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158959754.

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

Adding to 2021012011122 its reverse (2211102101202), we get a palindrome (4232114112324).

The spelling of 2021012011122 in words is "two trillion, twenty-one billion, twelve million, eleven thousand, one hundred twenty-two".