100202001202 has 4 divisors (see below), whose sum is σ = 150303001806. Its totient is φ = 50101000600.

The previous prime is 100202001173. The next prime is 100202001233. The reversal of 100202001202 is 202100202001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202100202001 = 14057 ⋅14377193.

It can be written as a sum of positive squares in only one way, i.e., 71968256361 + 28233744841 = 268269^2 + 168029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050500299 + ... + 25050500302.

Almost surely, 2^100202001202 is an apocalyptic number.

100202001202 is a deficient number, since it is larger than the sum of its proper divisors (50101000604).

100202001202 is an equidigital number, since it uses as much as digits as its factorization.

100202001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50101000603.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100202001202 its reverse (202100202001), we get a palindrome (302302203203).

It can be divided in two parts, 100202001 and 202, that multiplied together give a palindrome (20240804202).

The spelling of 100202001202 in words is "one hundred billion, two hundred two million, one thousand, two hundred two".