201020100111202 has 4 divisors (see below), whose sum is σ = 301530150166806. Its totient is φ = 100510050055600.

The previous prime is 201020100111169. The next prime is 201020100111289. The reversal of 201020100111202 is 202111001020102.

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., 156166286215801 + 44853813895401 = 12496651^2 + 6697299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50255025027799 + ... + 50255025027802.

Almost surely, 2^{201020100111202} is an apocalyptic number.

201020100111202 is a deficient number, since it is larger than the sum of its proper divisors (100510050055604).

201020100111202 is a wasteful number, since it uses less digits than its factorization.

201020100111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100510050055603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020100111202 its reverse (202111001020102), we get a palindrome (403131101131304).

The spelling of 201020100111202 in words is "two hundred one trillion, twenty billion, one hundred million, one hundred eleven thousand, two hundred two".