201342121322 has 4 divisors (see below), whose sum is σ = 302013181986. Its totient is φ = 100671060660.

The previous prime is 201342121319. The next prime is 201342121333. The reversal of 201342121322 is 223121243102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187133242921 + 14208878401 = 432589^2 + 119201^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50335530329 + ... + 50335530332.

Almost surely, 2^201342121322 is an apocalyptic number.

201342121322 is a deficient number, since it is larger than the sum of its proper divisors (100671060664).

201342121322 is a wasteful number, since it uses less digits than its factorization.

201342121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100671060663.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201342121322 its reverse (223121243102), we get a palindrome (424463364424).

The spelling of 201342121322 in words is "two hundred one billion, three hundred forty-two million, one hundred twenty-one thousand, three hundred twenty-two".