91020212313301 has 8 divisors (see below), whose sum is σ = 91064509905600. Its totient is φ = 90975924610560.

The previous prime is 91020212313193. The next prime is 91020212313311. The reversal of 91020212313301 is 10331321202019.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91020212313301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91020212313301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91020212313311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15972885 + ... + 20908693.

It is an arithmetic number, because the mean of its divisors is an integer number (11383063738200).

Almost surely, 2^{91020212313301} is an apocalyptic number.

It is an amenable number.

91020212313301 is a deficient number, since it is larger than the sum of its proper divisors (44297592299).

91020212313301 is a wasteful number, since it uses less digits than its factorization.

91020212313301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944779.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 91020212313301 in words is "ninety-one trillion, twenty billion, two hundred twelve million, three hundred thirteen thousand, three hundred one".