20000122102201 has 4 divisors (see below), whose sum is σ = 21052760107600. Its totient is φ = 18947484096804.

The previous prime is 20000122102127. The next prime is 20000122102241. The reversal of 20000122102201 is 10220122100002.

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 20000122102201 - 2³¹ = 19997974618553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000122102241) 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, 526319002671 + ... + 526319002708.

It is an arithmetic number, because the mean of its divisors is an integer number (5263190026900).

Almost surely, 2^{20000122102201} is an apocalyptic number.

It is an amenable number.

20000122102201 is a deficient number, since it is larger than the sum of its proper divisors (1052638005399).

20000122102201 is a wasteful number, since it uses less digits than its factorization.

20000122102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052638005398.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000122102201 its reverse (10220122100002), we get a palindrome (30220244202203).

The spelling of 20000122102201 in words is "twenty trillion, one hundred twenty-two million, one hundred two thousand, two hundred one".