234001402221 has 16 divisors (see below), whose sum is σ = 317146094208. Its totient is φ = 153429297600.

The previous prime is 234001402213. The next prime is 234001402231. The reversal of 234001402221 is 122204100432.

It is not a de Polignac number, because 234001402221 - 2³ = 234001402213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234001402231) 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, 2139160 + ... + 2245886.

It is an arithmetic number, because the mean of its divisors is an integer number (19821630888).

Almost surely, 2^234001402221 is an apocalyptic number.

It is an amenable number.

234001402221 is a deficient number, since it is larger than the sum of its proper divisors (83144691987).

234001402221 is a wasteful number, since it uses less digits than its factorization.

234001402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118772.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 234001402221 its reverse (122204100432), we get a palindrome (356205502653).

The spelling of 234001402221 in words is "two hundred thirty-four billion, one million, four hundred two thousand, two hundred twenty-one".