22011011022101 has 4 divisors (see below), whose sum is σ = 22033540205292. Its totient is φ = 21988481838912.

The previous prime is 22011011022073. The next prime is 22011011022107. The reversal of 22011011022101 is 10122011011022.

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 8650333911025 + 13360677111076 = 2941145^2 + 3655226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011011022101 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 (22011011022107) 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, 11264590130 + ... + 11264592083.

It is an arithmetic number, because the mean of its divisors is an integer number (5508385051323).

Almost surely, 2^{22011011022101} is an apocalyptic number.

It is an amenable number.

22011011022101 is a deficient number, since it is larger than the sum of its proper divisors (22529183191).

22011011022101 is an equidigital number, since it uses as much as digits as its factorization.

22011011022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22529183190.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011011022101 its reverse (10122011011022), we get a palindrome (32133022033123).

It can be divided in two parts, 22011011022 and 101, that multiplied together give a palindrome (2223112113222).

The spelling of 22011011022101 in words is "twenty-two trillion, eleven billion, eleven million, twenty-two thousand, one hundred one".