96901000001221 has 4 divisors (see below), whose sum is σ = 104354923078252. Its totient is φ = 89447076924192.

The previous prime is 96901000001219. The next prime is 96901000001231. The reversal of 96901000001221 is 12210000010969.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3831567438721 + 93069432562500 = 1957439^2 + 9647250^2 .

It is not a de Polignac number, because 96901000001221 - 2¹ = 96901000001219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96901000001231) 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, 3726961538496 + ... + 3726961538521.

It is an arithmetic number, because the mean of its divisors is an integer number (26088730769563).

Almost surely, 2^{96901000001221} is an apocalyptic number.

It is an amenable number.

96901000001221 is a deficient number, since it is larger than the sum of its proper divisors (7453923077031).

96901000001221 is a wasteful number, since it uses less digits than its factorization.

96901000001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453923077030.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 96901000001221 in words is "ninety-six trillion, nine hundred one billion, one thousand, two hundred twenty-one".