2021121101022 has 16 divisors (see below), whose sum is σ = 4042817530752. Its totient is φ = 673611145560.

The previous prime is 2021121100997. The next prime is 2021121101057. The reversal of 2021121101022 is 2201011211202.

It is a junction number, because it is equal to n+sod(n) for n = 2021121100992 and 2021121101010.

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, 23926354 + ... + 24010677.

It is an arithmetic number, because the mean of its divisors is an integer number (252676095672).

Almost surely, 2^{2021121101022} is an apocalyptic number.

2021121101022 is an abundant number, since it is smaller than the sum of its proper divisors (2021696429730).

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

2021121101022 is a wasteful number, since it uses less digits than its factorization.

2021121101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47944063.

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

Adding to 2021121101022 its reverse (2201011211202), we get a palindrome (4222132312224).

The spelling of 2021121101022 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred one thousand, twenty-two".