22121030434 has 32 divisors (see below), whose sum is σ = 34334908416. Its totient is φ = 10683187200.

The previous prime is 22121030389. The next prime is 22121030471. The reversal of 22121030434 is 43403012122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299234 + ... + 2308834.

It is an arithmetic number, because the mean of its divisors is an integer number (1072965888).

Almost surely, 2^22121030434 is an apocalyptic number.

22121030434 is a deficient number, since it is larger than the sum of its proper divisors (12213877982).

22121030434 is a wasteful number, since it uses less digits than its factorization.

22121030434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22121030434 its reverse (43403012122), we get a palindrome (65524042556).

The spelling of 22121030434 in words is "twenty-two billion, one hundred twenty-one million, thirty thousand, four hundred thirty-four".