2001121219074 has 8 divisors (see below), whose sum is σ = 4002242438160. Its totient is φ = 667040406356.

The previous prime is 2001121219073. The next prime is 2001121219109. The reversal of 2001121219074 is 4709121211002.

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

2001121219074 is an admirable number.

It is a super-2 number, since 2×2001121219074² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001121219073) 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, 166760101584 + ... + 166760101595.

It is an arithmetic number, because the mean of its divisors is an integer number (500280304770).

Almost surely, 2^{2001121219074} is an apocalyptic number.

2001121219074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001121219074 is a wasteful number, since it uses less digits than its factorization.

2001121219074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333520203184.

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 2001121219074 in words is "two trillion, one billion, one hundred twenty-one million, two hundred nineteen thousand, seventy-four".