21041022134 has 16 divisors (see below), whose sum is σ = 35163334656. Its totient is φ = 9360609000.

The previous prime is 21041022113. The next prime is 21041022137. The reversal of 21041022134 is 43122014012.

It is a super-2 number, since 2×21041022134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041022137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10173542 + ... + 10175609.

It is an arithmetic number, because the mean of its divisors is an integer number (2197708416).

Almost surely, 2^21041022134 is an apocalyptic number.

21041022134 is a deficient number, since it is larger than the sum of its proper divisors (14122312522).

21041022134 is a wasteful number, since it uses less digits than its factorization.

21041022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20349211.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21041022134 its reverse (43122014012), we get a palindrome (64163036146).

The spelling of 21041022134 in words is "twenty-one billion, forty-one million, twenty-two thousand, one hundred thirty-four".