200122212100122 has 64 divisors (see below), whose sum is σ = 479418182248320. Its totient is φ = 61512649948800.

The previous prime is 200122212100103. The next prime is 200122212100159. The reversal of 200122212100122 is 221001212221002.

It is a happy number.

200122212100122 is a `hidden beast` number, since 200 + 1 + 222 + 121 + 0 + 0 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200122212100095 and 200122212100104.

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, 146112579 + ... + 147475862.

It is an arithmetic number, because the mean of its divisors is an integer number (7490909097630).

Almost surely, 2^{200122212100122} is an apocalyptic number.

200122212100122 is an abundant number, since it is smaller than the sum of its proper divisors (279295970148198).

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

200122212100122 is a wasteful number, since it uses less digits than its factorization.

200122212100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293589436 (or 293589430 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200122212100122 its reverse (221001212221002), we get a palindrome (421123424321124).

The spelling of 200122212100122 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twelve million, one hundred thousand, one hundred twenty-two".