2001100222202 has 8 divisors (see below), whose sum is σ = 3105155517300. Its totient is φ = 966048383104.

The previous prime is 2001100222157. The next prime is 2001100222249. The reversal of 2001100222202 is 2022220011002.

It can be written as a sum of positive squares in 2 ways, for example, as 1973291658121 + 27808564081 = 1404739^2 + 166759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17250863927 + ... + 17250864042.

Almost surely, 2^{2001100222202} is an apocalyptic number.

2001100222202 is a deficient number, since it is larger than the sum of its proper divisors (1104055295098).

2001100222202 is a wasteful number, since it uses less digits than its factorization.

2001100222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34501728000.

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

Adding to 2001100222202 its reverse (2022220011002), we get a palindrome (4023320233204).

The spelling of 2001100222202 in words is "two trillion, one billion, one hundred million, two hundred twenty-two thousand, two hundred two".