200210120122100 has 144 divisors (see below), whose sum is σ = 475629178784256. Its totient is φ = 72546444096000.

The previous prime is 200210120122087. The next prime is 200210120122109. The reversal of 200210120122100 is 1221021012002.

It is a super-2 number, since 2×200210120122100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210120122109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399404822 + ... + 399905778.

It is an arithmetic number, because the mean of its divisors is an integer number (3302980408224).

Almost surely, 2^{200210120122100} is an apocalyptic number.

200210120122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200210120122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237814589392128).

200210120122100 is an abundant number, since it is smaller than the sum of its proper divisors (275419058662156).

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

200210120122100 is a wasteful number, since it uses less digits than its factorization.

200210120122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502266 (or 502259 counting only the distinct ones).

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

Adding to 200210120122100 its reverse (1221021012002), we get a palindrome (201431141134102).

The spelling of 200210120122100 in words is "two hundred trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-two thousand, one hundred".