1131102231401 has 4 divisors (see below), whose sum is σ = 1180280589312. Its totient is φ = 1081923873492.

The previous prime is 1131102231383. The next prime is 1131102231407. The reversal of 1131102231401 is 1041322011311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131102231401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131102231407) 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, 24589178921 + ... + 24589178966.

It is an arithmetic number, because the mean of its divisors is an integer number (295070147328).

Almost surely, 2^{1131102231401} is an apocalyptic number.

It is an amenable number.

1131102231401 is a deficient number, since it is larger than the sum of its proper divisors (49178357911).

1131102231401 is an equidigital number, since it uses as much as digits as its factorization.

1131102231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49178357910.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1131102231401 its reverse (1041322011311), we get a palindrome (2172424242712).

The spelling of 1131102231401 in words is "one trillion, one hundred thirty-one billion, one hundred two million, two hundred thirty-one thousand, four hundred one".