22000120101 has 20 divisors (see below), whose sum is σ = 32868379500. Its totient is φ = 14664960576.

The previous prime is 22000120073. The next prime is 22000120123. The reversal of 22000120101 is 10102100022.

It can be written as a sum of positive squares in 2 ways, for example, as 13836816900 + 8163303201 = 117630^2 + 90351^2 .

It is not a de Polignac number, because 22000120101 - 2¹⁰ = 22000119077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000120151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1218105 + ... + 1236033.

It is an arithmetic number, because the mean of its divisors is an integer number (1643418975).

Almost surely, 2^22000120101 is an apocalyptic number.

It is an amenable number.

22000120101 is a deficient number, since it is larger than the sum of its proper divisors (10868259399).

22000120101 is a wasteful number, since it uses less digits than its factorization.

22000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33090 (or 33081 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22000120101 its reverse (10102100022), we get a palindrome (32102220123).

The spelling of 22000120101 in words is "twenty-two billion, one hundred twenty thousand, one hundred one".