1102031221031 has 24 divisors (see below), whose sum is σ = 1266334819200. Its totient is φ = 955287330816.

The previous prime is 1102031221013. The next prime is 1102031221087. The reversal of 1102031221031 is 1301221302011.

It is not a de Polignac number, because 1102031221031 - 2¹⁸ = 1102030958887 is a prime.

It is a super-2 number, since 2×1102031221031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102031221001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862826 + ... + 1717128.

It is an arithmetic number, because the mean of its divisors is an integer number (52763950800).

Almost surely, 2^{1102031221031} is an apocalyptic number.

1102031221031 is a deficient number, since it is larger than the sum of its proper divisors (164303598169).

1102031221031 is a wasteful number, since it uses less digits than its factorization.

1102031221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854795 (or 854782 counting only the distinct ones).

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

Adding to 1102031221031 its reverse (1301221302011), we get a palindrome (2403252523042).

The spelling of 1102031221031 in words is "one trillion, one hundred two billion, thirty-one million, two hundred twenty-one thousand, thirty-one".