1102010221021 has 12 divisors (see below), whose sum is σ = 1141945858144. Its totient is φ = 1063427274000.

The previous prime is 1102010221009. The next prime is 1102010221043. The reversal of 1102010221021 is 1201220102011.

It is not a de Polignac number, because 1102010221021 - 2²⁵ = 1101976666589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102010220992 and 1102010221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102010221121) 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, 1182046 + ... + 1897696.

Almost surely, 2^{1102010221021} is an apocalyptic number.

It is an amenable number.

1102010221021 is a deficient number, since it is larger than the sum of its proper divisors (39935637123).

1102010221021 is an equidigital number, since it uses as much as digits as its factorization.

1102010221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717540 (or 717511 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102010221021 its reverse (1201220102011), we get a palindrome (2303230323032).

The spelling of 1102010221021 in words is "one trillion, one hundred two billion, ten million, two hundred twenty-one thousand, twenty-one".