1522021113 has 12 divisors (see below), whose sum is σ = 2294061120. Its totient is φ = 970564056.

The previous prime is 1522021103. The next prime is 1522021117. The reversal of 1522021113 is 3111202251.

It is not a de Polignac number, because 1522021113 - 2²² = 1517826809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1522021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3676173 + ... + 3676586.

It is an arithmetic number, because the mean of its divisors is an integer number (191171760).

Almost surely, 2^1522021113 is an apocalyptic number.

It is an amenable number.

1522021113 is a deficient number, since it is larger than the sum of its proper divisors (772040007).

1522021113 is a wasteful number, since it uses less digits than its factorization.

1522021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352788 (or 7352785 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1522021113 is about 39013.0889958742. The cubic root of 1522021113 is about 1150.2888028284.

Adding to 1522021113 its reverse (3111202251), we get a palindrome (4633223364).

The spelling of 1522021113 in words is "one billion, five hundred twenty-two million, twenty-one thousand, one hundred thirteen".