22113123802 has 32 divisors (see below), whose sum is σ = 41361315840. Its totient is φ = 8614064880.

The previous prime is 22113123757. The next prime is 22113123821. The reversal of 22113123802 is 20832131122.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1835683 + ... + 1847689.

It is an arithmetic number, because the mean of its divisors is an integer number (1292541120).

Almost surely, 2^22113123802 is an apocalyptic number.

22113123802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22113123802 is a deficient number, since it is larger than the sum of its proper divisors (19248192038).

22113123802 is a wasteful number, since it uses less digits than its factorization.

22113123802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22113123802 its reverse (20832131122), we get a palindrome (42945254924).

The spelling of 22113123802 in words is "twenty-two billion, one hundred thirteen million, one hundred twenty-three thousand, eight hundred two".