1101123010231 has 2 divisors, whose sum is σ = 1101123010232. Its totient is φ = 1101123010230.

The previous prime is 1101123010219. The next prime is 1101123010259. The reversal of 1101123010231 is 1320103211011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101123010231 - 2⁵ = 1101123010199 is a prime.

It is a super-2 number, since 2×1101123010231² (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 (1101123010931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550561505115 + 550561505116.

It is an arithmetic number, because the mean of its divisors is an integer number (550561505116).

Almost surely, 2^{1101123010231} is an apocalyptic number.

1101123010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101123010231 is an equidigital number, since it uses as much as digits as its factorization.

1101123010231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101123010231 its reverse (1320103211011), we get a palindrome (2421226221242).

The spelling of 1101123010231 in words is "one trillion, one hundred one billion, one hundred twenty-three million, ten thousand, two hundred thirty-one".