2001221212094 has 8 divisors (see below), whose sum is σ = 3232741958040. Its totient is φ = 923640559416.

The previous prime is 2001221212049. The next prime is 2001221212097. The reversal of 2001221212094 is 4902121221002.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 76970046619 = 2001221212094 / (2 + 0 + 0 + 1 + 2 + 2 + 1 + 2 + 1 + 2 + 0 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001221212097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38485023284 + ... + 38485023335.

It is an arithmetic number, because the mean of its divisors is an integer number (404092744755).

Almost surely, 2^{2001221212094} is an apocalyptic number.

2001221212094 is a deficient number, since it is larger than the sum of its proper divisors (1231520745946).

2001221212094 is a wasteful number, since it uses less digits than its factorization.

2001221212094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76970046634.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 2001221212094 its reverse (4902121221002), we get a palindrome (6903342433096).

The spelling of 2001221212094 in words is "two trillion, one billion, two hundred twenty-one million, two hundred twelve thousand, ninety-four".