2021121110022 has 32 divisors (see below), whose sum is σ = 4768728152064. Its totient is φ = 558835329600.

The previous prime is 2021121109961. The next prime is 2021121110069. The reversal of 2021121110022 is 2200111211202.

It is a super-2 number, since 2×2021121110022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021121109983 and 2021121110010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776158879 + ... + 776161482.

It is an arithmetic number, because the mean of its divisors is an integer number (149022754752).

Almost surely, 2^{2021121110022} is an apocalyptic number.

2021121110022 is an abundant number, since it is smaller than the sum of its proper divisors (2747607042042).

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

2021121110022 is a wasteful number, since it uses less digits than its factorization.

2021121110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552320404.

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

Adding to 2021121110022 its reverse (2200111211202), we get a palindrome (4221232321224).

The spelling of 2021121110022 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred ten thousand, twenty-two".