22022120011021 has 16 divisors (see below), whose sum is σ = 23733395280000. Its totient is φ = 20313313005888.

The previous prime is 22022120010983. The next prime is 22022120011033. The reversal of 22022120011021 is 12011002122022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22022120011021 - 2²¹ = 22022117913869 is a prime.

It is a super-2 number, since 2×22022120011021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022120010986 and 22022120011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022120011091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528252240 + ... + 528293926.

It is an arithmetic number, because the mean of its divisors is an integer number (1483337205000).

Almost surely, 2^{22022120011021} is an apocalyptic number.

It is an amenable number.

22022120011021 is a deficient number, since it is larger than the sum of its proper divisors (1711275268979).

22022120011021 is a wasteful number, since it uses less digits than its factorization.

22022120011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70308.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22022120011021 its reverse (12011002122022), we get a palindrome (34033122133043).

The spelling of 22022120011021 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, eleven thousand, twenty-one".