1222220101031 has 2 divisors, whose sum is σ = 1222220101032. Its totient is φ = 1222220101030.

The previous prime is 1222220100989. The next prime is 1222220101033. The reversal of 1222220101031 is 1301010222221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222220101031 - 2²² = 1222215906727 is a prime.

It is a super-2 number, since 2×1222220101031² (a number of 25 digits) contains 22 as substring.

Together with 1222220101033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222220101033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611110050515 + 611110050516.

It is an arithmetic number, because the mean of its divisors is an integer number (611110050516).

Almost surely, 2^{1222220101031} is an apocalyptic number.

1222220101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222220101031 is an equidigital number, since it uses as much as digits as its factorization.

1222220101031 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 17.

Adding to 1222220101031 its reverse (1301010222221), we get a palindrome (2523230323252).

The spelling of 1222220101031 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, thirty-one".