200100121122 has 64 divisors (see below), whose sum is σ = 438820706304. Its totient is φ = 60326245440.

The previous prime is 200100121079. The next prime is 200100121181. The reversal of 200100121122 is 221121001002.

It is a junction number, because it is equal to n+sod(n) for n = 200100121098 and 200100121107.

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, 10933063 + ... + 10951349.

It is an arithmetic number, because the mean of its divisors is an integer number (6856573536).

Almost surely, 2^200100121122 is an apocalyptic number.

200100121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200100121122 is an abundant number, since it is smaller than the sum of its proper divisors (238720585182).

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

200100121122 is a wasteful number, since it uses less digits than its factorization.

200100121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19143.

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

Adding to 200100121122 its reverse (221121001002), we get a palindrome (421221122124).

The spelling of 200100121122 in words is "two hundred billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".