921010011311 has 8 divisors (see below), whose sum is σ = 991880675520. Its totient is φ = 850142738592.

The previous prime is 921010011287. The next prime is 921010011329. The reversal of 921010011311 is 113110010129.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 921010011311 - 2⁶ = 921010011247 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 (921010011011) 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, 269216 + ... + 1383653.

It is an arithmetic number, because the mean of its divisors is an integer number (123985084440).

Almost surely, 2^921010011311 is an apocalyptic number.

921010011311 is a deficient number, since it is larger than the sum of its proper divisors (70870664209).

921010011311 is a wasteful number, since it uses less digits than its factorization.

921010011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695745.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 921010011311 in words is "nine hundred twenty-one billion, ten million, eleven thousand, three hundred eleven".