2021021101122 has 48 divisors (see below), whose sum is σ = 4267286258400. Its totient is φ = 638021476224.

The previous prime is 2021021101109. The next prime is 2021021101129. The reversal of 2021021101122 is 2211011201202.

It is not an unprimeable number, because it can be changed into a prime (2021021101129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7004218 + ... + 7287050.

It is an arithmetic number, because the mean of its divisors is an integer number (88901797050).

Almost surely, 2^{2021021101122} is an apocalyptic number.

2021021101122 is an abundant number, since it is smaller than the sum of its proper divisors (2246265157278).

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

2021021101122 is a wasteful number, since it uses less digits than its factorization.

2021021101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286175 (or 286156 counting only the distinct ones).

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

Adding to 2021021101122 its reverse (2211011201202), we get a palindrome (4232032302324).

The spelling of 2021021101122 in words is "two trillion, twenty-one billion, twenty-one million, one hundred one thousand, one hundred twenty-two".