1111213102 has 4 divisors (see below), whose sum is σ = 1666819656. Its totient is φ = 555606550.

The previous prime is 1111213091. The next prime is 1111213183. The reversal of 1111213102 is 2013121111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277803274 + ... + 277803277.

It is an arithmetic number, because the mean of its divisors is an integer number (416704914).

Almost surely, 2^1111213102 is an apocalyptic number.

1111213102 is a deficient number, since it is larger than the sum of its proper divisors (555606554).

1111213102 is an equidigital number, since it uses as much as digits as its factorization.

1111213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555606553.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111213102 is about 33334.8631615611. The cubic root of 1111213102 is about 1035.7758586222.

Adding to 1111213102 its reverse (2013121111), we get a palindrome (3124334213).

The spelling of 1111213102 in words is "one billion, one hundred eleven million, two hundred thirteen thousand, one hundred two".