122311000100200 has 24 divisors (see below), whose sum is σ = 284373075233430. Its totient is φ = 48924400040000.

The previous prime is 122311000100129. The next prime is 122311000100221. The reversal of 122311000100200 is 2001000113221.

It can be written as a sum of positive squares in 3 ways, for example, as 105423486548836 + 16887513551364 = 10267594^2 + 4109442^2 .

It is a super-2 number, since 2×122311000100200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305777500051 + ... + 305777500450.

Almost surely, 2^{122311000100200} is an apocalyptic number.

122311000100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311000100200 is an abundant number, since it is smaller than the sum of its proper divisors (162062075133230).

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

122311000100200 is a wasteful number, since it uses less digits than its factorization.

122311000100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611555000517 (or 611555000508 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122311000100200 its reverse (2001000113221), we get a palindrome (124312000213421).

The spelling of 122311000100200 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred thousand, two hundred".