2001220109974 has 8 divisors (see below), whose sum is σ = 3029884652808. Its totient is φ = 991258559040.

The previous prime is 2001220109939. The next prime is 2001220109981. The reversal of 2001220109974 is 4799010221002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4675747707 + ... + 4675748134.

It is an arithmetic number, because the mean of its divisors is an integer number (378735581601).

Almost surely, 2^{2001220109974} is an apocalyptic number.

2001220109974 is a deficient number, since it is larger than the sum of its proper divisors (1028664542834).

2001220109974 is a wasteful number, since it uses less digits than its factorization.

2001220109974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351495950.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 2001220109974 in words is "two trillion, one billion, two hundred twenty million, one hundred nine thousand, nine hundred seventy-four".