21122032141 has 8 divisors (see below), whose sum is σ = 24168590720. Its totient is φ = 18082754928.

The previous prime is 21122032117. The next prime is 21122032163. The reversal of 21122032141 is 14123022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21122032141 - 2¹¹ = 21122030093 is a prime.

It is a super-2 number, since 2×21122032141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122032111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814121 + ... + 1825726.

It is an arithmetic number, because the mean of its divisors is an integer number (3021073840).

Almost surely, 2^21122032141 is an apocalyptic number.

It is an amenable number.

21122032141 is a deficient number, since it is larger than the sum of its proper divisors (3046558579).

21122032141 is an equidigital number, since it uses as much as digits as its factorization.

21122032141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640683.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21122032141 its reverse (14123022112), we get a palindrome (35245054253).

The spelling of 21122032141 in words is "twenty-one billion, one hundred twenty-two million, thirty-two thousand, one hundred forty-one".