200121211102302 has 96 divisors (see below), whose sum is σ = 504168752355840. Its totient is φ = 56190135343680.

The previous prime is 200121211102261. The next prime is 200121211102303. The reversal of 200121211102302 is 203201112121002.

200121211102302 is a `hidden beast` number, since 20 + 0 + 121 + 211 + 10 + 2 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121211102303) 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, 57154977 + ... + 60555212.

It is an arithmetic number, because the mean of its divisors is an integer number (5251757837040).

Almost surely, 2^{200121211102302} is an apocalyptic number.

200121211102302 is an abundant number, since it is smaller than the sum of its proper divisors (304047541253538).

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

200121211102302 is a wasteful number, since it uses less digits than its factorization.

200121211102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117710438 (or 117710435 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 200121211102302 its reverse (203201112121002), we get a palindrome (403322323223304).

The spelling of 200121211102302 in words is "two hundred trillion, one hundred twenty-one billion, two hundred eleven million, one hundred two thousand, three hundred two".