1122221013 has 16 divisors (see below), whose sum is σ = 1506048000. Its totient is φ = 743284080.

The previous prime is 1122220973. The next prime is 1122221039. The reversal of 1122221013 is 3101222211.

It is not a de Polignac number, because 1122221013 - 2¹³ = 1122212821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122220983 and 1122221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122221413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466588 + ... + 468986.

It is an arithmetic number, because the mean of its divisors is an integer number (94128000).

Almost surely, 2^1122221013 is an apocalyptic number.

It is an amenable number.

1122221013 is a deficient number, since it is larger than the sum of its proper divisors (383826987).

1122221013 is a wasteful number, since it uses less digits than its factorization.

1122221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1122221013 is about 33499.5673554152. The cubic root of 1122221013 is about 1039.1848312072.

Adding to 1122221013 its reverse (3101222211), we get a palindrome (4223443224).

The spelling of 1122221013 in words is "one billion, one hundred twenty-two million, two hundred twenty-one thousand, thirteen".