2001221626414 has 8 divisors (see below), whose sum is σ = 3005351589240. Its totient is φ = 999437763336.

The previous prime is 2001221626373. The next prime is 2001221626457. The reversal of 2001221626414 is 4146261221002.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586522804 + ... + 586526215.

It is an arithmetic number, because the mean of its divisors is an integer number (375668948655).

Almost surely, 2^{2001221626414} is an apocalyptic number.

2001221626414 is a deficient number, since it is larger than the sum of its proper divisors (1004129962826).

2001221626414 is a wasteful number, since it uses less digits than its factorization.

2001221626414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173049874.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 2001221626414 its reverse (4146261221002), we get a palindrome (6147482847416).

The spelling of 2001221626414 in words is "two trillion, one billion, two hundred twenty-one million, six hundred twenty-six thousand, four hundred fourteen".