100120210202 has 4 divisors (see below), whose sum is σ = 150180315306. Its totient is φ = 50060105100.

The previous prime is 100120210187. The next prime is 100120210213. The reversal of 100120210202 is 202012021001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99489145561 + 631064641 = 315419^2 + 25121^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030052549 + ... + 25030052552.

Almost surely, 2^100120210202 is an apocalyptic number.

100120210202 is a deficient number, since it is larger than the sum of its proper divisors (50060105104).

100120210202 is an equidigital number, since it uses as much as digits as its factorization.

100120210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060105103.

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

Adding to 100120210202 its reverse (202012021001), we get a palindrome (302132231203).

The spelling of 100120210202 in words is "one hundred billion, one hundred twenty million, two hundred ten thousand, two hundred two".