20222001211201 has 4 divisors (see below), whose sum is σ = 20226735938304. Its totient is φ = 20217266484100.

The previous prime is 20222001211189. The next prime is 20222001211259. The reversal of 20222001211201 is 10211210022202.

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 20222001211201 - 2⁵ = 20222001211169 is a prime.

It is a super-2 number, since 2×20222001211201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222001211271) 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, 2367357145 + ... + 2367365686.

It is an arithmetic number, because the mean of its divisors is an integer number (5056683984576).

Almost surely, 2^{20222001211201} is an apocalyptic number.

It is an amenable number.

20222001211201 is a deficient number, since it is larger than the sum of its proper divisors (4734727103).

20222001211201 is an equidigital number, since it uses as much as digits as its factorization.

20222001211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734727102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222001211201 its reverse (10211210022202), we get a palindrome (30433211233403).

The spelling of 20222001211201 in words is "twenty trillion, two hundred twenty-two billion, one million, two hundred eleven thousand, two hundred one".