23202122121031 has 4 divisors (see below), whose sum is σ = 26516710995472. Its totient is φ = 19887533246592.

The previous prime is 23202122121029. The next prime is 23202122121041. The reversal of 23202122121031 is 13012122120232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23202122121031 - 2¹ = 23202122121029 is a prime.

It is a super-2 number, since 2×23202122121031² (a number of 28 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 = 23202122120993 and 23202122121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23202122121001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657294437210 + ... + 1657294437223.

It is an arithmetic number, because the mean of its divisors is an integer number (6629177748868).

Almost surely, 2^{23202122121031} is an apocalyptic number.

23202122121031 is a deficient number, since it is larger than the sum of its proper divisors (3314588874441).

23202122121031 is an equidigital number, since it uses as much as digits as its factorization.

23202122121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314588874440.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 23202122121031 its reverse (13012122120232), we get a palindrome (36214244241263).

The spelling of 23202122121031 in words is "twenty-three trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, thirty-one".