1002122100202 has 8 divisors (see below), whose sum is σ = 1503886564836. Its totient is φ = 500826578592.

The previous prime is 1002122100179. The next prime is 1002122100241. The reversal of 1002122100202 is 2020012212001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 959418291001 + 42703809201 = 979499^2 + 206649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117230413 + ... + 117238960.

Almost surely, 2^{1002122100202} is an apocalyptic number.

1002122100202 is a deficient number, since it is larger than the sum of its proper divisors (501764464634).

1002122100202 is a wasteful number, since it uses less digits than its factorization.

1002122100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234471512.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002122100202 its reverse (2020012212001), we get a palindrome (3022134312203).

The spelling of 1002122100202 in words is "one trillion, two billion, one hundred twenty-two million, one hundred thousand, two hundred two".