102001012100202 has 16 divisors (see below), whose sum is σ = 216002143271232. Its totient is φ = 32000317521600.

The previous prime is 102001012100191. The next prime is 102001012100257. The reversal of 102001012100202 is 202001210100201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500004961174 + ... + 500004961377.

It is an arithmetic number, because the mean of its divisors is an integer number (13500133954452).

Almost surely, 2^{102001012100202} is an apocalyptic number.

102001012100202 is an abundant number, since it is smaller than the sum of its proper divisors (114001131171030).

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

102001012100202 is a wasteful number, since it uses less digits than its factorization.

102001012100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000009922573.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102001012100202 its reverse (202001210100201), we get a palindrome (304002222200403).

The spelling of 102001012100202 in words is "one hundred two trillion, one billion, twelve million, one hundred thousand, two hundred two".