22121144034 has 16 divisors (see below), whose sum is σ = 48264314400. Its totient is φ = 6703376960.

The previous prime is 22121144011. The next prime is 22121144047. The reversal of 22121144034 is 43044112122.

It is a junction number, because it is equal to n+sod(n) for n = 22121143995 and 22121144013.

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, 167584359 + ... + 167584490.

It is an arithmetic number, because the mean of its divisors is an integer number (3016519650).

Almost surely, 2^22121144034 is an apocalyptic number.

22121144034 is an abundant number, since it is smaller than the sum of its proper divisors (26143170366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121144034 is a wasteful number, since it uses less digits than its factorization.

22121144034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335168865.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22121144034 its reverse (43044112122), we get a palindrome (65165256156).

The spelling of 22121144034 in words is "twenty-two billion, one hundred twenty-one million, one hundred forty-four thousand, thirty-four".