1103121022031 has 12 divisors (see below), whose sum is σ = 1292589008208. Its totient is φ = 938630603232.

The previous prime is 1103121022019. The next prime is 1103121022093. The reversal of 1103121022031 is 1302201213011.

It is not a de Polignac number, because 1103121022031 - 2²² = 1103116827727 is a prime.

It is a super-2 number, since 2×1103121022031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103121022331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82156331 + ... + 82169756.

It is an arithmetic number, because the mean of its divisors is an integer number (107715750684).

Almost surely, 2^{1103121022031} is an apocalyptic number.

1103121022031 is a deficient number, since it is larger than the sum of its proper divisors (189467986177).

1103121022031 is a wasteful number, since it uses less digits than its factorization.

1103121022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164326238 (or 164326231 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1103121022031 its reverse (1302201213011), we get a palindrome (2405322235042).

The spelling of 1103121022031 in words is "one trillion, one hundred three billion, one hundred twenty-one million, twenty-two thousand, thirty-one".