221120031023023 has 16 divisors (see below), whose sum is σ = 246832685738496. Its totient is φ = 196342554018240.

The previous prime is 221120031022991. The next prime is 221120031023029. The reversal of 221120031023023 is 320320130021122.

It is a cyclic number.

It is not a de Polignac number, because 221120031023023 - 2⁵ = 221120031022991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221120031022985 and 221120031023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120031023029) 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, 132739411 + ... + 134394907.

It is an arithmetic number, because the mean of its divisors is an integer number (15427042858656).

Almost surely, 2^{221120031023023} is an apocalyptic number.

221120031023023 is a deficient number, since it is larger than the sum of its proper divisors (25712654715473).

221120031023023 is a wasteful number, since it uses less digits than its factorization.

221120031023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937934.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221120031023023 its reverse (320320130021122), we get a palindrome (541440161044145).

The spelling of 221120031023023 in words is "two hundred twenty-one trillion, one hundred twenty billion, thirty-one million, twenty-three thousand, twenty-three".