121010222000220 has 96 divisors (see below), whose sum is σ = 387242986346496. Its totient is φ = 27658745318400.

The previous prime is 121010222000197. The next prime is 121010222000249. The reversal of 121010222000220 is 22000222010121.

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 121010222000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12101860 + ... + 19709780.

It is an arithmetic number, because the mean of its divisors is an integer number (4033781107776).

Almost surely, 2^{121010222000220} is an apocalyptic number.

121010222000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010222000220 is an abundant number, since it is smaller than the sum of its proper divisors (266232764346276).

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

121010222000220 is a wasteful number, since it uses less digits than its factorization.

121010222000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645811 (or 7645809 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121010222000220 its reverse (22000222010121), we get a palindrome (143010444010341).

Subtracting from 121010222000220 its reverse (22000222010121), we obtain a palindrome (99009999990099).

The spelling of 121010222000220 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-two million, two hundred twenty", and thus it is an aban number.