22010111212021 has 8 divisors (see below), whose sum is σ = 22547055815424. Its totient is φ = 21473171971680.

The previous prime is 22010111211917. The next prime is 22010111212073. The reversal of 22010111212021 is 12021211101022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22010111212021 - 2³⁵ = 21975751473653 is a prime.

It is a super-2 number, since 2×22010111212021² (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 = 22010111211986 and 22010111212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011111212021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7702396 + ... + 10165978.

It is an arithmetic number, because the mean of its divisors is an integer number (2818381976928).

Almost surely, 2^{22010111212021} is an apocalyptic number.

It is an amenable number.

22010111212021 is a deficient number, since it is larger than the sum of its proper divisors (536944603403).

22010111212021 is a wasteful number, since it uses less digits than its factorization.

22010111212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681531.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22010111212021 its reverse (12021211101022), we get a palindrome (34031322313043).

The spelling of 22010111212021 in words is "twenty-two trillion, ten billion, one hundred eleven million, two hundred twelve thousand, twenty-one".