1011202112231 has 2 divisors, whose sum is σ = 1011202112232. Its totient is φ = 1011202112230.

The previous prime is 1011202112197. The next prime is 1011202112251. The reversal of 1011202112231 is 1322112021101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011202112231 - 2³⁴ = 994022243047 is a prime.

It is a super-2 number, since 2×1011202112231² (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 (1011202112251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505601056115 + 505601056116.

It is an arithmetic number, because the mean of its divisors is an integer number (505601056116).

Almost surely, 2^{1011202112231} is an apocalyptic number.

1011202112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011202112231 is an equidigital number, since it uses as much as digits as its factorization.

1011202112231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011202112231 its reverse (1322112021101), we get a palindrome (2333314133332).

The spelling of 1011202112231 in words is "one trillion, eleven billion, two hundred two million, one hundred twelve thousand, two hundred thirty-one".