142034111221 has 8 divisors (see below), whose sum is σ = 142388668800. Its totient is φ = 141679628640.

The previous prime is 142034111173. The next prime is 142034111251. The reversal of 142034111221 is 122111430241.

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

It is a cyclic number.

It is not a de Polignac number, because 142034111221 - 2¹⁷ = 142033980149 is a prime.

It is a super-2 number, since 2×142034111221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142034111192 and 142034111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142034111251) 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, 6844900 + ... + 6865618.

It is an arithmetic number, because the mean of its divisors is an integer number (17798583600).

Almost surely, 2^142034111221 is an apocalyptic number.

It is an amenable number.

142034111221 is a deficient number, since it is larger than the sum of its proper divisors (354557579).

142034111221 is a wasteful number, since it uses less digits than its factorization.

142034111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 142034111221 its reverse (122111430241), we get a palindrome (264145541462).

The spelling of 142034111221 in words is "one hundred forty-two billion, thirty-four million, one hundred eleven thousand, two hundred twenty-one".