1121010200220 has 24 divisors (see below), whose sum is σ = 3138828560784. Its totient is φ = 298936053376.

The previous prime is 1121010200213. The next prime is 1121010200269. The reversal of 1121010200220 is 220020101211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121010200196 and 1121010200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341751609 + ... + 9341751728.

It is an arithmetic number, because the mean of its divisors is an integer number (130784523366).

Almost surely, 2^{1121010200220} is an apocalyptic number.

1121010200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121010200220 is an abundant number, since it is smaller than the sum of its proper divisors (2017818360564).

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

1121010200220 is a wasteful number, since it uses less digits than its factorization.

1121010200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683503349 (or 18683503347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121010200220 its reverse (220020101211), we get a palindrome (1341030301431).

Subtracting from 1121010200220 its reverse (220020101211), we obtain a palindrome (900990099009).

The spelling of 1121010200220 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred thousand, two hundred twenty".