111002011221213 has 96 divisors (see below), whose sum is σ = 188580845346816. Its totient is φ = 61615118444544.

The previous prime is 111002011221209. The next prime is 111002011221287. The reversal of 111002011221213 is 312122110200111.

It is a happy number.

It is not a de Polignac number, because 111002011221213 - 2² = 111002011221209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002011226213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79324395 + ... + 80711607.

It is an arithmetic number, because the mean of its divisors is an integer number (1964383805696).

Almost surely, 2^{111002011221213} is an apocalyptic number.

It is an amenable number.

111002011221213 is a deficient number, since it is larger than the sum of its proper divisors (77578834125603).

111002011221213 is a wasteful number, since it uses less digits than its factorization.

111002011221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387563 (or 1387560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111002011221213 its reverse (312122110200111), we get a palindrome (423124121421324).

The spelling of 111002011221213 in words is "one hundred eleven trillion, two billion, eleven million, two hundred twenty-one thousand, two hundred thirteen".