200102020002021 has 16 divisors (see below), whose sum is σ = 270857989407168. Its totient is φ = 131374774608000.

The previous prime is 200102020001999. The next prime is 200102020002109. The reversal of 200102020002021 is 120200020201002.

It is not a de Polignac number, because 200102020002021 - 2⁶ = 200102020001957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200102020001988 and 200102020002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102020004021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133751160 + ... + 135238961.

It is an arithmetic number, because the mean of its divisors is an integer number (16928624337948).

Almost surely, 2^{200102020002021} is an apocalyptic number.

It is an amenable number.

200102020002021 is a deficient number, since it is larger than the sum of its proper divisors (70755969405147).

200102020002021 is a wasteful number, since it uses less digits than its factorization.

200102020002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268993892.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200102020002021 its reverse (120200020201002), we get a palindrome (320302040203023).

The spelling of 200102020002021 in words is "two hundred trillion, one hundred two billion, twenty million, two thousand, twenty-one".