11110221923 has 2 divisors, whose sum is σ = 11110221924. Its totient is φ = 11110221922.

The previous prime is 11110221919. The next prime is 11110221961. The reversal of 11110221923 is 32912201111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110221923 - 2² = 11110221919 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110223923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555110961 + 5555110962.

It is an arithmetic number, because the mean of its divisors is an integer number (5555110962).

Almost surely, 2^11110221923 is an apocalyptic number.

11110221923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110221923 is an equidigital number, since it uses as much as digits as its factorization.

11110221923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11110221923 in words is "eleven billion, one hundred ten million, two hundred twenty-one thousand, nine hundred twenty-three".