22201200120031 has 2 divisors, whose sum is σ = 22201200120032. Its totient is φ = 22201200120030.

The previous prime is 22201200119977. The next prime is 22201200120037. The reversal of 22201200120031 is 13002100210222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201200120031 is a prime.

It is a super-2 number, since 2×22201200120031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22201200119987 and 22201200120014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201200120037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100600060015 + 11100600060016.

It is an arithmetic number, because the mean of its divisors is an integer number (11100600060016).

Almost surely, 2^{22201200120031} is an apocalyptic number.

22201200120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201200120031 is an equidigital number, since it uses as much as digits as its factorization.

22201200120031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201200120031 its reverse (13002100210222), we get a palindrome (35203300330253).

The spelling of 22201200120031 in words is "twenty-two trillion, two hundred one billion, two hundred million, one hundred twenty thousand, thirty-one".