200010100122100 has 36 divisors (see below), whose sum is σ = 434034641771500. Its totient is φ = 80001694517760.

The previous prime is 200010100122037. The next prime is 200010100122103. The reversal of 200010100122100 is 1221001010002.

It can be written as a sum of positive squares in 6 ways, for example, as 58124552610916 + 141885547511184 = 7623946^2 + 11911572^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010100122103) 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, 25889175 + ... + 32714974.

Almost surely, 2^{200010100122100} is an apocalyptic number.

200010100122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200010100122100 is an abundant number, since it is smaller than the sum of its proper divisors (234024541649400).

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

200010100122100 is a wasteful number, since it uses less digits than its factorization.

200010100122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58638292 (or 58638285 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200010100122100 its reverse (1221001010002), we get a palindrome (201231101132102).

The spelling of 200010100122100 in words is "two hundred trillion, ten billion, one hundred million, one hundred twenty-two thousand, one hundred".