100102202 has 4 divisors (see below), whose sum is σ = 150153306. Its totient is φ = 50051100.

The previous prime is 100102181. The next prime is 100102207. The reversal of 100102202 is 202201001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202201001 = 6277 ⋅32213.

It can be written as a sum of positive squares in only one way, i.e., 97634161 + 2468041 = 9881^2 + 1571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100102202.

It is not an unprimeable number, because it can be changed into a prime (100102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025549 + ... + 25025552.

Almost surely, 2^100102202 is an apocalyptic number.

100102202 is a deficient number, since it is larger than the sum of its proper divisors (50051104).

100102202 is an equidigital number, since it uses as much as digits as its factorization.

100102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50051103.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100102202 is about 10005.1087950107. The cubic root of 100102202 is about 464.3169560763.

Adding to 100102202 its reverse (202201001), we get a palindrome (302303203).

The spelling of 100102202 in words is "one hundred million, one hundred two thousand, two hundred two".