22022001201211 has 4 divisors (see below), whose sum is σ = 24024001310424. Its totient is φ = 20020001092000.

The previous prime is 22022001201133. The next prime is 22022001201223. The reversal of 22022001201211 is 11210210022022.

It is a happy number.

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 22022001201211 - 2²¹ = 22021999104059 is a prime.

It is a super-2 number, since 2×22022001201211² (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 (22022001201251) 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, 1001000054590 + ... + 1001000054611.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000327606).

Almost surely, 2^{22022001201211} is an apocalyptic number.

22022001201211 is a deficient number, since it is larger than the sum of its proper divisors (2002000109213).

22022001201211 is a wasteful number, since it uses less digits than its factorization.

22022001201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002000109212.

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

Adding to 22022001201211 its reverse (11210210022022), we get a palindrome (33232211223233).

The spelling of 22022001201211 in words is "twenty-two trillion, twenty-two billion, one million, two hundred one thousand, two hundred eleven".