142221122241 has 16 divisors (see below), whose sum is σ = 214000436160. Its totient is φ = 83222390720.

The previous prime is 142221122213. The next prime is 142221122261.

142221122241 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 142221122241 - 2⁶ = 142221122177 is a prime.

It is a super-2 number, since 2×142221122241² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142221122261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74304750 + ... + 74306663.

It is an arithmetic number, because the mean of its divisors is an integer number (13375027260).

Almost surely, 2^142221122241 is an apocalyptic number.

142221122241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142221122241 is a deficient number, since it is larger than the sum of its proper divisors (71779313919).

142221122241 is a wasteful number, since it uses less digits than its factorization.

142221122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148611456.

The product of its digits is 1024, while the sum is 24.

It can be divided in two parts, 142221 and 122241, that added together give a palindrome (264462).

The spelling of 142221122241 in words is "one hundred forty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-one".