1002222211231 has 2 divisors, whose sum is σ = 1002222211232. Its totient is φ = 1002222211230.

The previous prime is 1002222211063. The next prime is 1002222211247. The reversal of 1002222211231 is 1321122222001.

1002222211231 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 not a de Polignac number, because 1002222211231 - 2³⁷ = 864783257759 is a prime.

It is a super-2 number, since 2×1002222211231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002222211199 and 1002222211208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002222211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501111105615 + 501111105616.

It is an arithmetic number, because the mean of its divisors is an integer number (501111105616).

Almost surely, 2^{1002222211231} is an apocalyptic number.

1002222211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222211231 is an equidigital number, since it uses as much as digits as its factorization.

1002222211231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1002222211231 its reverse (1321122222001), we get a palindrome (2323344433232).

The spelling of 1002222211231 in words is "one trillion, two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred thirty-one".