22021221001101 has 16 divisors (see below), whose sum is σ = 33670672393344. Its totient is φ = 12540607568064.

The previous prime is 22021221001067. The next prime is 22021221001111. The reversal of 22021221001101 is 10110012212022.

It is not a de Polignac number, because 22021221001101 - 2³⁹ = 21471465187213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021221001111) 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, 1789464106 + ... + 1789476411.

It is an arithmetic number, because the mean of its divisors is an integer number (2104417024584).

Almost surely, 2^{22021221001101} is an apocalyptic number.

22021221001101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22021221001101 is a deficient number, since it is larger than the sum of its proper divisors (11649451392243).

22021221001101 is a wasteful number, since it uses less digits than its factorization.

22021221001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578940820.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021221001101 its reverse (10110012212022), we get a palindrome (32131233213123).

The spelling of 22021221001101 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-one million, one thousand, one hundred one".