22111011201 has 4 divisors (see below), whose sum is σ = 29481348272. Its totient is φ = 14740674132.

The previous prime is 22111011163. The next prime is 22111011233. The reversal of 22111011201 is 10211011122.

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 not a de Polignac number, because 22111011201 - 2⁹ = 22111010689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111012201) 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, 3685168531 + ... + 3685168536.

It is an arithmetic number, because the mean of its divisors is an integer number (7370337068).

Almost surely, 2^22111011201 is an apocalyptic number.

It is an amenable number.

22111011201 is a deficient number, since it is larger than the sum of its proper divisors (7370337071).

22111011201 is an equidigital number, since it uses as much as digits as its factorization.

22111011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370337070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111011201 its reverse (10211011122), we get a palindrome (32322022323).

The spelling of 22111011201 in words is "twenty-two billion, one hundred eleven million, eleven thousand, two hundred one".