342210121 has 32 divisors (see below), whose sum is σ = 410572800. Its totient is φ = 281736000.

The previous prime is 342210101. The next prime is 342210161. The reversal of 342210121 is 121012243.

It is a cyclic number.

It is not a de Polignac number, because 342210121 - 2¹¹ = 342208073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342210095 and 342210104.

It is not an unprimeable number, because it can be changed into a prime (342210101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793776 + ... + 794206.

It is an arithmetic number, because the mean of its divisors is an integer number (12830400).

Almost surely, 2^342210121 is an apocalyptic number.

It is an amenable number.

342210121 is a deficient number, since it is larger than the sum of its proper divisors (68362679).

342210121 is a wasteful number, since it uses less digits than its factorization.

342210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 342210121 is about 18498.9221577907. The cubic root of 342210121 is about 699.4622543522.

Adding to 342210121 its reverse (121012243), we get a palindrome (463222364).

The spelling of 342210121 in words is "three hundred forty-two million, two hundred ten thousand, one hundred twenty-one".