222120302130031 has 2 divisors, whose sum is σ = 222120302130032. Its totient is φ = 222120302130030.

The previous prime is 222120302130019. The next prime is 222120302130037. The reversal of 222120302130031 is 130031203021222.

222120302130031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120302130031 is a prime.

It is a super-2 number, since 2×222120302130031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120302129984 and 222120302130011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120302130037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060151065015 + 111060151065016.

It is an arithmetic number, because the mean of its divisors is an integer number (111060151065016).

Almost surely, 2^{222120302130031} is an apocalyptic number.

222120302130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120302130031 is an equidigital number, since it uses as much as digits as its factorization.

222120302130031 is an evil number, because the sum of its binary digits is even.

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

Adding to 222120302130031 its reverse (130031203021222), we get a palindrome (352151505151253).

The spelling of 222120302130031 in words is "two hundred twenty-two trillion, one hundred twenty billion, three hundred two million, one hundred thirty thousand, thirty-one".