2001022212110 has 64 divisors (see below), whose sum is σ = 3687310771200. Its totient is φ = 781652976000.

The previous prime is 2001022212103. The next prime is 2001022212113. The reversal of 2001022212110 is 112122201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022212113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81293705 + ... + 81318315.

It is an arithmetic number, because the mean of its divisors is an integer number (57614230800).

Almost surely, 2^{2001022212110} is an apocalyptic number.

2001022212110 is a deficient number, since it is larger than the sum of its proper divisors (1686288559090).

2001022212110 is a wasteful number, since it uses less digits than its factorization.

2001022212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001022212110 its reverse (112122201002), we get a palindrome (2113144413112).

The spelling of 2001022212110 in words is "two trillion, one billion, twenty-two million, two hundred twelve thousand, one hundred ten".