200100020021122 has 32 divisors (see below), whose sum is σ = 327026867151600. Its totient is φ = 91272456557568.

The previous prime is 200100020021039. The next prime is 200100020021173. The reversal of 200100020021122 is 221120020001002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 49259889694521 + 150840130326601 = 7018539^2 + 12281699^2 .

It is a super-2 number, since 2×200100020021122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15863433 + ... + 25531324.

Almost surely, 2^{200100020021122} is an apocalyptic number.

200100020021122 is a deficient number, since it is larger than the sum of its proper divisors (126926847130478).

200100020021122 is a wasteful number, since it uses less digits than its factorization.

200100020021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41396950.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200100020021122 its reverse (221120020001002), we get a palindrome (421220040022124).

The spelling of 200100020021122 in words is "two hundred trillion, one hundred billion, twenty million, twenty-one thousand, one hundred twenty-two".