2021111011122 has 32 divisors (see below), whose sum is σ = 4727116787712. Its totient is φ = 564030979344.

The previous prime is 2021111011069. The next prime is 2021111011169. The reversal of 2021111011122 is 2211101111202.

It is a happy number.

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, 559552738 + ... + 559556349.

It is an arithmetic number, because the mean of its divisors is an integer number (147722399616).

Almost surely, 2^{2021111011122} is an apocalyptic number.

2021111011122 is an abundant number, since it is smaller than the sum of its proper divisors (2706005776590).

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

2021111011122 is a wasteful number, since it uses less digits than its factorization.

2021111011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119109142.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2021111011122 its reverse (2211101111202), we get a palindrome (4232212122324).

The spelling of 2021111011122 in words is "two trillion, twenty-one billion, one hundred eleven million, eleven thousand, one hundred twenty-two".