342055422121 has 4 divisors (see below), whose sum is σ = 390920482432. Its totient is φ = 293190361812.

The previous prime is 342055422109. The next prime is 342055422139. The reversal of 342055422121 is 121224550243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342055422121 - 2¹⁷ = 342055291049 is a prime.

It is a super-2 number, since 2×342055422121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342055422101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24432530145 + ... + 24432530158.

It is an arithmetic number, because the mean of its divisors is an integer number (97730120608).

Almost surely, 2^342055422121 is an apocalyptic number.

It is an amenable number.

342055422121 is a deficient number, since it is larger than the sum of its proper divisors (48865060311).

342055422121 is an equidigital number, since it uses as much as digits as its factorization.

342055422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48865060310.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 342055422121 its reverse (121224550243), we get a palindrome (463279972364).

The spelling of 342055422121 in words is "three hundred forty-two billion, fifty-five million, four hundred twenty-two thousand, one hundred twenty-one".