22011112221001 has 16 divisors (see below), whose sum is σ = 23182111771200. Its totient is φ = 20841367435200.

The previous prime is 22011112220983. The next prime is 22011112221047. The reversal of 22011112221001 is 10012221111022.

It is a cyclic number.

It is not a de Polignac number, because 22011112221001 - 2¹³ = 22011112212809 is a prime.

It is a super-2 number, since 2×22011112221001² (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 (22011112221101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323949490 + ... + 324017428.

It is an arithmetic number, because the mean of its divisors is an integer number (1448881985700).

Almost surely, 2^{22011112221001} is an apocalyptic number.

It is an amenable number.

22011112221001 is a deficient number, since it is larger than the sum of its proper divisors (1170999550199).

22011112221001 is a wasteful number, since it uses less digits than its factorization.

22011112221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76920.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011112221001 its reverse (10012221111022), we get a palindrome (32023333332023).

The spelling of 22011112221001 in words is "twenty-two trillion, eleven billion, one hundred twelve million, two hundred twenty-one thousand, one".