212222022120001 has 4 divisors (see below), whose sum is σ = 223391602231600. Its totient is φ = 201052442008404.

The previous prime is 212222022119927. The next prime is 212222022120091. The reversal of 212222022120001 is 100021220222212.

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 212222022120001 - 2⁷ = 212222022119873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11169580111579 = 212222022120001 / (2 + 1 + 2 + 2 + 2 + 2 + 0 + 2 + 2 + 1 + 2 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222022120091) 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, 5584790055771 + ... + 5584790055808.

It is an arithmetic number, because the mean of its divisors is an integer number (55847900557900).

Almost surely, 2^{212222022120001} is an apocalyptic number.

It is an amenable number.

212222022120001 is a deficient number, since it is larger than the sum of its proper divisors (11169580111599).

212222022120001 is a wasteful number, since it uses less digits than its factorization.

212222022120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169580111598.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212222022120001 its reverse (100021220222212), we get a palindrome (312243242342213).

The spelling of 212222022120001 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty thousand, one".