21470122141 has 8 divisors (see below), whose sum is σ = 23173869600. Its totient is φ = 19773831792.

The previous prime is 21470122111. The next prime is 21470122159. The reversal of 21470122141 is 14122107412.

It is a happy number.

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

It is not a de Polignac number, because 21470122141 - 2¹¹ = 21470120093 is a prime.

It is a super-2 number, since 2×21470122141² (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 (21470122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858291 + ... + 1869808.

It is an arithmetic number, because the mean of its divisors is an integer number (2896733700).

Almost surely, 2^21470122141 is an apocalyptic number.

It is an amenable number.

21470122141 is a deficient number, since it is larger than the sum of its proper divisors (1703747459).

21470122141 is a wasteful number, since it uses less digits than its factorization.

21470122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728555.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 21470122141 its reverse (14122107412), we get a palindrome (35592229553).

The spelling of 21470122141 in words is "twenty-one billion, four hundred seventy million, one hundred twenty-two thousand, one hundred forty-one".