2101001001202 has 4 divisors (see below), whose sum is σ = 3151501501806. Its totient is φ = 1050500500600.

The previous prime is 2101001001181. The next prime is 2101001001227. The reversal of 2101001001202 is 2021001001012.

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., 1480843176201 + 620157825001 = 1216899^2 + 787501^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525250250299 + ... + 525250250302.

Almost surely, 2^{2101001001202} is an apocalyptic number.

2101001001202 is a deficient number, since it is larger than the sum of its proper divisors (1050500500604).

2101001001202 is a wasteful number, since it uses less digits than its factorization.

2101001001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050500500603.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101001001202 its reverse (2021001001012), we get a palindrome (4122002002214).

The spelling of 2101001001202 in words is "two trillion, one hundred one billion, one million, one thousand, two hundred two".