200122102100 has 36 divisors (see below), whose sum is σ = 434930134044. Its totient is φ = 79926228480.

The previous prime is 200122102091. The next prime is 200122102109. The reversal of 200122102100 is 1201221002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200122102091) and next prime (200122102109).

It can be written as a sum of positive squares in 6 ways, for example, as 13427247376 + 186694854724 = 115876^2 + 432082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122102109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467029 + ... + 1597628.

Almost surely, 2^200122102100 is an apocalyptic number.

200122102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122102100 is an abundant number, since it is smaller than the sum of its proper divisors (234808031944).

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

200122102100 is a wasteful number, since it uses less digits than its factorization.

200122102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065324 (or 3065317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200122102100 its reverse (1201221002), we get a palindrome (201323323102).

The spelling of 200122102100 in words is "two hundred billion, one hundred twenty-two million, one hundred two thousand, one hundred".