1102003221031 has 4 divisors (see below), whose sum is σ = 1137551712064. Its totient is φ = 1066454730000.

The previous prime is 1102003220971. The next prime is 1102003221037. The reversal of 1102003221031 is 1301223002011.

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 1102003221031 - 2¹¹ = 1102003218983 is a prime.

It is a super-2 number, since 2×1102003221031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102003220996 and 1102003221014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102003221037) 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, 17774245470 + ... + 17774245531.

It is an arithmetic number, because the mean of its divisors is an integer number (284387928016).

Almost surely, 2^{1102003221031} is an apocalyptic number.

1102003221031 is a deficient number, since it is larger than the sum of its proper divisors (35548491033).

1102003221031 is an equidigital number, since it uses as much as digits as its factorization.

1102003221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35548491032.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1102003221031 its reverse (1301223002011), we get a palindrome (2403226223042).

The spelling of 1102003221031 in words is "one trillion, one hundred two billion, three million, two hundred twenty-one thousand, thirty-one".