221002030111110 has 32 divisors (see below), whose sum is σ = 530593026024960. Its totient is φ = 58912968723168.

The previous prime is 221002030111073. The next prime is 221002030111153. The reversal of 221002030111110 is 11111030200122.

It is a super-2 number, since 2×221002030111110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 221002030111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306537342 + ... + 1306706481.

It is an arithmetic number, because the mean of its divisors is an integer number (16581032063280).

Almost surely, 2^{221002030111110} is an apocalyptic number.

221002030111110 is an abundant number, since it is smaller than the sum of its proper divisors (309590995913850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221002030111110 is a wasteful number, since it uses less digits than its factorization.

221002030111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613246652.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 221002030111110 its reverse (11111030200122), we get a palindrome (232113060311232).

The spelling of 221002030111110 in words is "two hundred twenty-one trillion, two billion, thirty million, one hundred eleven thousand, one hundred ten".