22101121012101 has 4 divisors (see below), whose sum is σ = 29468161349472. Its totient is φ = 14734080674732.

The previous prime is 22101121012099. The next prime is 22101121012141. The reversal of 22101121012101 is 10121012110122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22101121012101 - 2¹ = 22101121012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101121012141) 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, 3683520168681 + ... + 3683520168686.

It is an arithmetic number, because the mean of its divisors is an integer number (7367040337368).

Almost surely, 2^{22101121012101} is an apocalyptic number.

It is an amenable number.

22101121012101 is a deficient number, since it is larger than the sum of its proper divisors (7367040337371).

22101121012101 is an equidigital number, since it uses as much as digits as its factorization.

22101121012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367040337370.

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

Adding to 22101121012101 its reverse (10121012110122), we get a palindrome (32222133122223).

The spelling of 22101121012101 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one million, twelve thousand, one hundred one".