22120121101201 has 4 divisors (see below), whose sum is σ = 22386628584432. Its totient is φ = 21853613617972.

The previous prime is 22120121101103. The next prime is 22120121101207. The reversal of 22120121101201 is 10210112102122.

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 22120121101201 - 2¹³ = 22120121093009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120121101207) 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, 133253741491 + ... + 133253741656.

It is an arithmetic number, because the mean of its divisors is an integer number (5596657146108).

Almost surely, 2^{22120121101201} is an apocalyptic number.

It is an amenable number.

22120121101201 is a deficient number, since it is larger than the sum of its proper divisors (266507483231).

22120121101201 is an equidigital number, since it uses as much as digits as its factorization.

22120121101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266507483230.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22120121101201 its reverse (10210112102122), we get a palindrome (32330233203323).

The spelling of 22120121101201 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred one thousand, two hundred one".