22121130331007 has 2 divisors, whose sum is σ = 22121130331008. Its totient is φ = 22121130331006.

The previous prime is 22121130330979. The next prime is 22121130331019. The reversal of 22121130331007 is 70013303112122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121130331007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121130334007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060565165503 + 11060565165504.

It is an arithmetic number, because the mean of its divisors is an integer number (11060565165504).

Almost surely, 2^{22121130331007} is an apocalyptic number.

22121130331007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121130331007 is an equidigital number, since it uses as much as digits as its factorization.

22121130331007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 22121130331007 its reverse (70013303112122), we get a palindrome (92134433443129).

The spelling of 22121130331007 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-one thousand, seven".