1111221496 has 64 divisors (see below), whose sum is σ = 2602183680. Its totient is φ = 432190080.

The previous prime is 1111221487. The next prime is 1111221509. The reversal of 1111221496 is 6941221111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465121 + ... + 467503.

It is an arithmetic number, because the mean of its divisors is an integer number (40659120).

Almost surely, 2^1111221496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111221496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301091840).

1111221496 is an abundant number, since it is smaller than the sum of its proper divisors (1490962184).

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

1111221496 is a wasteful number, since it uses less digits than its factorization.

1111221496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164 (or 3160 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1111221496 is about 33334.9890655449. The cubic root of 1111221496 is about 1035.7784666670.

The spelling of 1111221496 in words is "one billion, one hundred eleven million, two hundred twenty-one thousand, four hundred ninety-six".