22121242130134 has 64 divisors (see below), whose sum is σ = 39958174517760. Its totient is φ = 8972529200640.

The previous prime is 22121242130123. The next prime is 22121242130159. The reversal of 22121242130134 is 43103124212122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359375022 + ... + 1359391294.

It is an arithmetic number, because the mean of its divisors is an integer number (624346476840).

Almost surely, 2^{22121242130134} is an apocalyptic number.

22121242130134 is a deficient number, since it is larger than the sum of its proper divisors (17836932387626).

22121242130134 is a wasteful number, since it uses less digits than its factorization.

22121242130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21125.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22121242130134 its reverse (43103124212122), we get a palindrome (65224366342256).

The spelling of 22121242130134 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-two million, one hundred thirty thousand, one hundred thirty-four".