11122221507 has 8 divisors (see below), whose sum is σ = 14960864784. Its totient is φ = 7349196288.

The previous prime is 11122221503. The next prime is 11122221529. The reversal of 11122221507 is 70512222111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11122221507 - 2² = 11122221503 is a prime.

It is a super-2 number, since 2×11122221507² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11122221503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16404118 + ... + 16404795.

It is an arithmetic number, because the mean of its divisors is an integer number (1870108098).

Almost surely, 2^11122221507 is an apocalyptic number.

11122221507 is a deficient number, since it is larger than the sum of its proper divisors (3838643277).

11122221507 is a wasteful number, since it uses less digits than its factorization.

11122221507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32809029.

The product of its (nonzero) digits is 560, while the sum is 24.

Adding to 11122221507 its reverse (70512222111), we get a palindrome (81634443618).

The spelling of 11122221507 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, five hundred seven".