111213113002 has 4 divisors (see below), whose sum is σ = 166819669506. Its totient is φ = 55606556500.

The previous prime is 111213112993. The next prime is 111213113017. The reversal of 111213113002 is 200311312111.

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: 200311312111 = 10601 ⋅18895511.

It can be written as a sum of positive squares in only one way, i.e., 76026481441 + 35186631561 = 275729^2 + 187581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27803278249 + ... + 27803278252.

Almost surely, 2^111213113002 is an apocalyptic number.

111213113002 is a deficient number, since it is larger than the sum of its proper divisors (55606556504).

111213113002 is an equidigital number, since it uses as much as digits as its factorization.

111213113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55606556503.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111213113002 its reverse (200311312111), we get a palindrome (311524425113).

The spelling of 111213113002 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirteen thousand, two".