20122111200200 has 24 divisors (see below), whose sum is σ = 46783908540930. Its totient is φ = 8048844480000.

The previous prime is 20122111200197. The next prime is 20122111200251. The reversal of 20122111200200 is 200211122102.

It can be written as a sum of positive squares in 3 ways, for example, as 18437353927876 + 1684757272324 = 4293874^2 + 1297982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50305277801 + ... + 50305278200.

Almost surely, 2^{20122111200200} is an apocalyptic number.

20122111200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122111200200 is an abundant number, since it is smaller than the sum of its proper divisors (26661797340730).

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

20122111200200 is a wasteful number, since it uses less digits than its factorization.

20122111200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610556017 (or 100610556008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122111200200 its reverse (200211122102), we get a palindrome (20322322322302).

The spelling of 20122111200200 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thousand, two hundred".