22022101011021 has 16 divisors (see below), whose sum is σ = 29844338649600. Its totient is φ = 14440634925120.

The previous prime is 22022101011013. The next prime is 22022101011077. The reversal of 22022101011021 is 12011010122022.

It is not a de Polignac number, because 22022101011021 - 2³ = 22022101011013 is a prime.

It is a super-2 number, since 2×22022101011021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022101016021) 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, 46759911 + ... + 47228523.

It is an arithmetic number, because the mean of its divisors is an integer number (1865271165600).

Almost surely, 2^{22022101011021} is an apocalyptic number.

It is an amenable number.

22022101011021 is a deficient number, since it is larger than the sum of its proper divisors (7822237638579).

22022101011021 is a wasteful number, since it uses less digits than its factorization.

22022101011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725476.

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

Adding to 22022101011021 its reverse (12011010122022), we get a palindrome (34033111133043).

The spelling of 22022101011021 in words is "twenty-two trillion, twenty-two billion, one hundred one million, eleven thousand, twenty-one".