22101032021 has 8 divisors (see below), whose sum is σ = 22404501120. Its totient is φ = 21798155808.

The previous prime is 22101031991. The next prime is 22101032029. The reversal of 22101032021 is 12023010122.

It is a happy number.

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 22101032021 - 2⁶ = 22101031957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22101031987 and 22101032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101032029) 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, 72896 + ... + 222521.

It is an arithmetic number, because the mean of its divisors is an integer number (2800562640).

Almost surely, 2^22101032021 is an apocalyptic number.

It is an amenable number.

22101032021 is a deficient number, since it is larger than the sum of its proper divisors (303469099).

22101032021 is an equidigital number, since it uses as much as digits as its factorization.

22101032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296443.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22101032021 its reverse (12023010122), we get a palindrome (34124042143).

The spelling of 22101032021 in words is "twenty-two billion, one hundred one million, thirty-two thousand, twenty-one".