22130231452021 has 16 divisors (see below), whose sum is σ = 27693506482560. Its totient is φ = 17180230841280.

The previous prime is 22130231452013. The next prime is 22130231452039. The reversal of 22130231452021 is 12025413203122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22130231452021 - 2³ = 22130231452013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130231452051) 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, 534190446 + ... + 534231871.

It is an arithmetic number, because the mean of its divisors is an integer number (1730844155160).

Almost surely, 2^{22130231452021} is an apocalyptic number.

It is an amenable number.

22130231452021 is a deficient number, since it is larger than the sum of its proper divisors (5563275030539).

22130231452021 is a wasteful number, since it uses less digits than its factorization.

22130231452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068422604.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 22130231452021 its reverse (12025413203122), we get a palindrome (34155644655143).

The spelling of 22130231452021 in words is "twenty-two trillion, one hundred thirty billion, two hundred thirty-one million, four hundred fifty-two thousand, twenty-one".