1000202101202 has 4 divisors (see below), whose sum is σ = 1500303151806. Its totient is φ = 500101050600.

The previous prime is 1000202101193. The next prime is 1000202101219. The reversal of 1000202101202 is 2021012020001.

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., 638386618081 + 361815483121 = 798991^2 + 601511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250050525299 + ... + 250050525302.

Almost surely, 2^{1000202101202} is an apocalyptic number.

1000202101202 is a deficient number, since it is larger than the sum of its proper divisors (500101050604).

1000202101202 is an equidigital number, since it uses as much as digits as its factorization.

1000202101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500101050603.

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

Adding to 1000202101202 its reverse (2021012020001), we get a palindrome (3021214121203).

The spelling of 1000202101202 in words is "one trillion, two hundred two million, one hundred one thousand, two hundred two".