2200121051550 has 48 divisors (see below), whose sum is σ = 5583190926720. Its totient is φ = 573054783840.

The previous prime is 2200121051543. The next prime is 2200121051563. The reversal of 2200121051550 is 551501210022.

It is a self number, because there is not a number n which added to its sum of digits gives 2200121051550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170545570 + ... + 170558469.

It is an arithmetic number, because the mean of its divisors is an integer number (116316477640).

Almost surely, 2^{2200121051550} is an apocalyptic number.

2200121051550 is an abundant number, since it is smaller than the sum of its proper divisors (3383069875170).

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

2200121051550 is a wasteful number, since it uses less digits than its factorization.

2200121051550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341104097 (or 341104092 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 2200121051550 its reverse (551501210022), we get a palindrome (2751622261572).

The spelling of 2200121051550 in words is "two trillion, two hundred billion, one hundred twenty-one million, fifty-one thousand, five hundred fifty".