1101011912031 has 4 divisors (see below), whose sum is σ = 1468015882712. Its totient is φ = 734007941352.

The previous prime is 1101011912023. The next prime is 1101011912107. The reversal of 1101011912031 is 1302191101011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1101011912031 - 2³ = 1101011912023 is a prime.

It is a super-2 number, since 2×1101011912031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101011911989 and 1101011912007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101011912831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183501985336 + ... + 183501985341.

It is an arithmetic number, because the mean of its divisors is an integer number (367003970678).

Almost surely, 2^{1101011912031} is an apocalyptic number.

1101011912031 is a deficient number, since it is larger than the sum of its proper divisors (367003970681).

1101011912031 is an equidigital number, since it uses as much as digits as its factorization.

1101011912031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367003970680.

The product of its (nonzero) digits is 54, while the sum is 21.

The spelling of 1101011912031 in words is "one trillion, one hundred one billion, eleven million, nine hundred twelve thousand, thirty-one".