2001112021210 has 8 divisors (see below), whose sum is σ = 3602001638196. Its totient is φ = 800444808480.

The previous prime is 2001112021169. The next prime is 2001112021211. The reversal of 2001112021210 is 121202111002.

It can be written as a sum of positive squares in 2 ways, for example, as 1698338059209 + 302773962001 = 1303203^2 + 550249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2001112021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100055601051 + ... + 100055601070.

Almost surely, 2^{2001112021210} is an apocalyptic number.

2001112021210 is a deficient number, since it is larger than the sum of its proper divisors (1600889616986).

2001112021210 is a wasteful number, since it uses less digits than its factorization.

2001112021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200111202128.

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

Adding to 2001112021210 its reverse (121202111002), we get a palindrome (2122314132212).

The spelling of 2001112021210 in words is "two trillion, one billion, one hundred twelve million, twenty-one thousand, two hundred ten".