111402323001 has 10 divisors (see below), whose sum is σ = 166415815962. Its totient is φ = 74268215280.

The previous prime is 111402322981. The next prime is 111402323041. The reversal of 111402323001 is 100323204111.

It can be written as a sum of positive squares in only one way, i.e., 68780307600 + 42622015401 = 262260^2 + 206451^2 .

It is not a de Polignac number, because 111402323001 - 2¹⁰ = 111402321977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111402323041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 687668580 + ... + 687668741.

Almost surely, 2^111402323001 is an apocalyptic number.

It is an amenable number.

111402323001 is a deficient number, since it is larger than the sum of its proper divisors (55013492961).

111402323001 is an equidigital number, since it uses as much as digits as its factorization.

111402323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375337333 (or 1375337324 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111402323001 its reverse (100323204111), we get a palindrome (211725527112).

The spelling of 111402323001 in words is "one hundred eleven billion, four hundred two million, three hundred twenty-three thousand, one".