2001121334210 has 32 divisors (see below), whose sum is σ = 3618815380992. Its totient is φ = 796717152000.

The previous prime is 2001121334167. The next prime is 2001121334213. The reversal of 2001121334210 is 124331211002.

It is not an unprimeable number, because it can be changed into a prime (2001121334213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917210 + ... + 13071210.

It is an arithmetic number, because the mean of its divisors is an integer number (113087980656).

Almost surely, 2^{2001121334210} is an apocalyptic number.

2001121334210 is a deficient number, since it is larger than the sum of its proper divisors (1617694046782).

2001121334210 is a wasteful number, since it uses less digits than its factorization.

2001121334210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160058.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2001121334210 its reverse (124331211002), we get a palindrome (2125452545212).

The spelling of 2001121334210 in words is "two trillion, one billion, one hundred twenty-one million, three hundred thirty-four thousand, two hundred ten".