921122210211323 has 16 divisors (see below), whose sum is σ = 929638480813056. Its totient is φ = 912612371045760.

The previous prime is 921122210211319. The next prime is 921122210211341. The reversal of 921122210211323 is 323112012221129.

It is a cyclic number.

It is not a de Polignac number, because 921122210211323 - 2² = 921122210211319 is a prime.

It is a super-2 number, since 2×921122210211323² (a number of 31 digits) contains 22 as substring.

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 921122210211323.

It is not an unprimeable number, because it can be changed into a prime (921122210211373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7806656858 + ... + 7806774848.

It is an arithmetic number, because the mean of its divisors is an integer number (58102405050816).

Almost surely, 2^{921122210211323} is an apocalyptic number.

921122210211323 is a deficient number, since it is larger than the sum of its proper divisors (8516270601733).

921122210211323 is a wasteful number, since it uses less digits than its factorization.

921122210211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144634.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 921122210211323 in words is "nine hundred twenty-one trillion, one hundred twenty-two billion, two hundred ten million, two hundred eleven thousand, three hundred twenty-three".