22011020001101 has 4 divisors (see below), whose sum is σ = 22125066737052. Its totient is φ = 21896973265152.

The previous prime is 22011020001083. The next prime is 22011020001137. The reversal of 22011020001101 is 10110002011022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3757840405225 + 18253179595876 = 1938515^2 + 4272374^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011020001101 - 2⁶ = 22011020001037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011020004101) 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, 57023367686 + ... + 57023368071.

It is an arithmetic number, because the mean of its divisors is an integer number (5531266684263).

Almost surely, 2^{22011020001101} is an apocalyptic number.

It is an amenable number.

22011020001101 is a deficient number, since it is larger than the sum of its proper divisors (114046735951).

22011020001101 is a wasteful number, since it uses less digits than its factorization.

22011020001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114046735950.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011020001101 its reverse (10110002011022), we get a palindrome (32121022012123).

The spelling of 22011020001101 in words is "twenty-two trillion, eleven billion, twenty million, one thousand, one hundred one".