1121020100231 has 2 divisors, whose sum is σ = 1121020100232. Its totient is φ = 1121020100230.

The previous prime is 1121020100219. The next prime is 1121020100243. The reversal of 1121020100231 is 1320010201211.

It is a balanced prime because it is at equal distance from previous prime (1121020100219) and next prime (1121020100243).

It is a cyclic number.

It is not a de Polignac number, because 1121020100231 - 2¹⁸ = 1121019838087 is a prime.

It is a super-2 number, since 2×1121020100231² (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 (1121020100261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510050115 + 560510050116.

It is an arithmetic number, because the mean of its divisors is an integer number (560510050116).

Almost surely, 2^{1121020100231} is an apocalyptic number.

1121020100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121020100231 is an equidigital number, since it uses as much as digits as its factorization.

1121020100231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121020100231 its reverse (1320010201211), we get a palindrome (2441030301442).

The spelling of 1121020100231 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred thousand, two hundred thirty-one".