200021010020102 has 16 divisors (see below), whose sum is σ = 305693063882352. Its totient is φ = 98123329181280.

The previous prime is 200021010019997. The next prime is 200021010020107. The reversal of 200021010020102 is 201020010120002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021010020107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67203953 + ... + 70117139.

It is an arithmetic number, because the mean of its divisors is an integer number (19105816492647).

Almost surely, 2^{200021010020102} is an apocalyptic number.

200021010020102 is a deficient number, since it is larger than the sum of its proper divisors (105672053862250).

200021010020102 is a wasteful number, since it uses less digits than its factorization.

200021010020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560983.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021010020102 its reverse (201020010120002), we get a palindrome (401041020140104).

The spelling of 200021010020102 in words is "two hundred trillion, twenty-one billion, ten million, twenty thousand, one hundred two".