22011020111121 has 8 divisors (see below), whose sum is σ = 29701617499680. Its totient is φ = 14497218064992.

The previous prime is 22011020111117. The next prime is 22011020111153. The reversal of 22011020111121 is 12111102011022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22011020111121 - 2² = 22011020111117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011020111121.

It is not an unprimeable number, because it can be changed into a prime (22011020111191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44198835316 + ... + 44198835813.

It is an arithmetic number, because the mean of its divisors is an integer number (3712702187460).

Almost surely, 2^{22011020111121} is an apocalyptic number.

It is an amenable number.

22011020111121 is a deficient number, since it is larger than the sum of its proper divisors (7690597388559).

22011020111121 is an equidigital number, since it uses as much as digits as its factorization.

22011020111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88397671215.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011020111121 its reverse (12111102011022), we get a palindrome (34122122122143).

The spelling of 22011020111121 in words is "twenty-two trillion, eleven billion, twenty million, one hundred eleven thousand, one hundred twenty-one".