121020120222200 has 48 divisors (see below), whose sum is σ = 281372638967280. Its totient is φ = 48407900226560.

The previous prime is 121020120222193. The next prime is 121020120222223. The reversal of 121020120222200 is 2222021020121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84329864 + ... + 85752936.

It is an arithmetic number, because the mean of its divisors is an integer number (5861929978485).

Almost surely, 2^{121020120222200} is an apocalyptic number.

121020120222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020120222200 is an abundant number, since it is smaller than the sum of its proper divisors (160352518745080).

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

121020120222200 is a wasteful number, since it uses less digits than its factorization.

121020120222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848296 (or 1848287 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121020120222200 its reverse (2222021020121), we get a palindrome (123242141242321).

The spelling of 121020120222200 in words is "one hundred twenty-one trillion, twenty billion, one hundred twenty million, two hundred twenty-two thousand, two hundred".