1213113022 has 16 divisors (see below), whose sum is σ = 1996574832. Its totient is φ = 548225920.

The previous prime is 1213113001. The next prime is 1213113053. The reversal of 1213113022 is 2203113121.

It is a junction number, because it is equal to n+sod(n) for n = 1213112987 and 1213113005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155563 + ... + 163174.

It is an arithmetic number, because the mean of its divisors is an integer number (124785927).

Almost surely, 2^1213113022 is an apocalyptic number.

1213113022 is a deficient number, since it is larger than the sum of its proper divisors (783461810).

1213113022 is a wasteful number, since it uses less digits than its factorization.

1213113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318923.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1213113022 is about 34829.7720635665. The cubic root of 1213113022 is about 1066.5152952950.

Adding to 1213113022 its reverse (2203113121), we get a palindrome (3416226143).

Subtracting 1213113022 from its reverse (2203113121), we obtain a palindrome (990000099).

The spelling of 1213113022 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, twenty-two".