1111221342 has 80 divisors (see below), whose sum is σ = 3104399232. Its totient is φ = 288625680.

The previous prime is 1111221341. The next prime is 1111221359. The reversal of 1111221342 is 2431221111.

1111221342 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32068 + ... + 57015.

Almost surely, 2^1111221342 is an apocalyptic number.

1111221342 is an abundant number, since it is smaller than the sum of its proper divisors (1993177890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111221342 is a wasteful number, since it uses less digits than its factorization.

1111221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89115 (or 89106 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1111221342 is about 33334.9867556596. The cubic root of 1111221342 is about 1035.7784188188.

Adding to 1111221342 its reverse (2431221111), we get a palindrome (3542442453).

The spelling of 1111221342 in words is "one billion, one hundred eleven million, two hundred twenty-one thousand, three hundred forty-two".