2102202001202 has 4 divisors (see below), whose sum is σ = 3153303001806. Its totient is φ = 1051101000600.

The previous prime is 2102202001189. The next prime is 2102202001213. The reversal of 2102202001202 is 2021002022012.

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., 2092509795601 + 9692205601 = 1446551^2 + 98449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525550500299 + ... + 525550500302.

Almost surely, 2^{2102202001202} is an apocalyptic number.

2102202001202 is a deficient number, since it is larger than the sum of its proper divisors (1051101000604).

2102202001202 is a wasteful number, since it uses less digits than its factorization.

2102202001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051101000603.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2102202001202 its reverse (2021002022012), we get a palindrome (4123204023214).

The spelling of 2102202001202 in words is "two trillion, one hundred two billion, two hundred two million, one thousand, two hundred two".