1222100212031 has 2 divisors, whose sum is σ = 1222100212032. Its totient is φ = 1222100212030.

The previous prime is 1222100212001. The next prime is 1222100212111. The reversal of 1222100212031 is 1302120012221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222100212031 - 2¹⁴ = 1222100195647 is a prime.

It is a super-2 number, since 2×1222100212031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222100212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050106015 + 611050106016.

It is an arithmetic number, because the mean of its divisors is an integer number (611050106016).

Almost surely, 2^{1222100212031} is an apocalyptic number.

1222100212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100212031 is an equidigital number, since it uses as much as digits as its factorization.

1222100212031 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 1222100212031 its reverse (1302120012221), we get a palindrome (2524220224252).

The spelling of 1222100212031 in words is "one trillion, two hundred twenty-two billion, one hundred million, two hundred twelve thousand, thirty-one".