2001000111202 has 4 divisors (see below), whose sum is σ = 3001500166806. Its totient is φ = 1000500055600.

The previous prime is 2001000111199. The next prime is 2001000111203. The reversal of 2001000111202 is 2021110001002.

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., 1323376445161 + 677623666041 = 1150381^2 + 823179^2 .

It is not an unprimeable number, because it can be changed into a prime (2001000111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500250027799 + ... + 500250027802.

Almost surely, 2^{2001000111202} is an apocalyptic number.

2001000111202 is a deficient number, since it is larger than the sum of its proper divisors (1000500055604).

2001000111202 is a wasteful number, since it uses less digits than its factorization.

2001000111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000500055603.

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

Adding to 2001000111202 its reverse (2021110001002), we get a palindrome (4022110112204).

The spelling of 2001000111202 in words is "two trillion, one billion, one hundred eleven thousand, two hundred two".