200220012102122 has 4 divisors (see below), whose sum is σ = 300330018153186. Its totient is φ = 100110006051060.

The previous prime is 200220012102107. The next prime is 200220012102127. The reversal of 200220012102122 is 221201210022002.

It is a happy number.

200220012102122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 173397567138601 + 26822444963521 = 13168051^2 + 5179039^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200220012102122.

It is not an unprimeable number, because it can be changed into a prime (200220012102127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055003025529 + ... + 50055003025532.

Almost surely, 2^{200220012102122} is an apocalyptic number.

200220012102122 is a deficient number, since it is larger than the sum of its proper divisors (100110006051064).

200220012102122 is a wasteful number, since it uses less digits than its factorization.

200220012102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110006051063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200220012102122 its reverse (221201210022002), we get a palindrome (421421222124124).

The spelling of 200220012102122 in words is "two hundred trillion, two hundred twenty billion, twelve million, one hundred two thousand, one hundred twenty-two".