20222012212211 has 4 divisors (see below), whose sum is σ = 20263197573624. Its totient is φ = 20180826850800.

The previous prime is 20222012212183. The next prime is 20222012212277. The reversal of 20222012212211 is 11221221022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20222012212211 - 2⁴² = 15823965701107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222012212291) 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, 20592679970 + ... + 20592680951.

It is an arithmetic number, because the mean of its divisors is an integer number (5065799393406).

Almost surely, 2^{20222012212211} is an apocalyptic number.

20222012212211 is a deficient number, since it is larger than the sum of its proper divisors (41185361413).

20222012212211 is an equidigital number, since it uses as much as digits as its factorization.

20222012212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41185361412.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222012212211 its reverse (11221221022202), we get a palindrome (31443233234413).

The spelling of 20222012212211 in words is "twenty trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred eleven".