1101331513127 has 4 divisors (see below), whose sum is σ = 1131097229736. Its totient is φ = 1071565796520.

The previous prime is 1101331513103. The next prime is 1101331513129. The reversal of 1101331513127 is 7213151331011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101331513127 - 2¹⁸ = 1101331250983 is a prime.

It is a super-2 number, since 2×1101331513127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101331513127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101331513129) 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, 14882858249 + ... + 14882858322.

It is an arithmetic number, because the mean of its divisors is an integer number (282774307434).

Almost surely, 2^{1101331513127} is an apocalyptic number.

1101331513127 is a deficient number, since it is larger than the sum of its proper divisors (29765716609).

1101331513127 is an equidigital number, since it uses as much as digits as its factorization.

1101331513127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29765716608.

The product of its (nonzero) digits is 1890, while the sum is 29.

Adding to 1101331513127 its reverse (7213151331011), we get a palindrome (8314482844138).

The spelling of 1101331513127 in words is "one trillion, one hundred one billion, three hundred thirty-one million, five hundred thirteen thousand, one hundred twenty-seven".