111147453922 has 4 divisors (see below), whose sum is σ = 166721180886. Its totient is φ = 55573726960.

The previous prime is 111147453899. The next prime is 111147453929. The reversal of 111147453922 is 229354741111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229354741111 = 85453 ⋅2683987.

It can be written as a sum of positive squares in only one way, i.e., 104575271161 + 6572182761 = 323381^2 + 81069^2 .

It is a super-2 number, since 2×111147453922² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111147453929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27786863479 + ... + 27786863482.

Almost surely, 2^111147453922 is an apocalyptic number.

111147453922 is a deficient number, since it is larger than the sum of its proper divisors (55573726964).

111147453922 is an equidigital number, since it uses as much as digits as its factorization.

111147453922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55573726963.

The product of its digits is 60480, while the sum is 40.

The spelling of 111147453922 in words is "one hundred eleven billion, one hundred forty-seven million, four hundred fifty-three thousand, nine hundred twenty-two".