201343122100121 has 16 divisors (see below), whose sum is σ = 213415525171008. Its totient is φ = 189296216524800.

The previous prime is 201343122100093. The next prime is 201343122100139. The reversal of 201343122100121 is 121001221343102.

It is a cyclic number.

It is not a de Polignac number, because 201343122100121 - 2²⁶ = 201343054991257 is a prime.

It is a super-3 number, since 3×201343122100121³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201343122160121) 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, 72399086 + ... + 75128648.

It is an arithmetic number, because the mean of its divisors is an integer number (13338470323188).

Almost surely, 2^{201343122100121} is an apocalyptic number.

It is an amenable number.

201343122100121 is a deficient number, since it is larger than the sum of its proper divisors (12072403070887).

201343122100121 is a wasteful number, since it uses less digits than its factorization.

201343122100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734232.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201343122100121 its reverse (121001221343102), we get a palindrome (322344343443223).

The spelling of 201343122100121 in words is "two hundred one trillion, three hundred forty-three billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-one".