1103021112131 has 4 divisors (see below), whose sum is σ = 1104143209872. Its totient is φ = 1101899014392.

The previous prime is 1103021112119. The next prime is 1103021112143. The reversal of 1103021112131 is 1312111203011.

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

It is an interprime number because it is at equal distance from previous prime (1103021112119) and next prime (1103021112143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103021112131 is a prime.

It is a super-2 number, since 2×1103021112131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103021112181) 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, 561047396 + ... + 561049361.

It is an arithmetic number, because the mean of its divisors is an integer number (276035802468).

Almost surely, 2^{1103021112131} is an apocalyptic number.

1103021112131 is a deficient number, since it is larger than the sum of its proper divisors (1122097741).

1103021112131 is an equidigital number, since it uses as much as digits as its factorization.

1103021112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122097740.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1103021112131 its reverse (1312111203011), we get a palindrome (2415132315142).

The spelling of 1103021112131 in words is "one trillion, one hundred three billion, twenty-one million, one hundred twelve thousand, one hundred thirty-one".