21033401134 has 32 divisors (see below), whose sum is σ = 32321203200. Its totient is φ = 10263770400.

The previous prime is 21033401119. The next prime is 21033401143. The reversal of 21033401134 is 43110433012.

21033401134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×21033401134⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

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, 4018299 + ... + 4023529.

It is an arithmetic number, because the mean of its divisors is an integer number (1010037600).

Almost surely, 2^21033401134 is an apocalyptic number.

21033401134 is a deficient number, since it is larger than the sum of its proper divisors (11287802066).

21033401134 is a wasteful number, since it uses less digits than its factorization.

21033401134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21033401134 its reverse (43110433012), we get a palindrome (64143834146).

The spelling of 21033401134 in words is "twenty-one billion, thirty-three million, four hundred one thousand, one hundred thirty-four".