22010020101 has 12 divisors (see below), whose sum is σ = 31967901420. Its totient is φ = 14592277440.

The previous prime is 22010020069. The next prime is 22010020117. The reversal of 22010020101 is 10102001022.

It can be written as a sum of positive squares in 2 ways, for example, as 5785884225 + 16224135876 = 76065^2 + 127374^2 .

It is not a de Polignac number, because 22010020101 - 2⁵ = 22010020069 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010020141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6754056 + ... + 6757313.

It is an arithmetic number, because the mean of its divisors is an integer number (2663991785).

Almost surely, 2^22010020101 is an apocalyptic number.

It is an amenable number.

22010020101 is a deficient number, since it is larger than the sum of its proper divisors (9957881319).

22010020101 is a wasteful number, since it uses less digits than its factorization.

22010020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511556 (or 13511553 counting only the distinct ones).

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

Adding to 22010020101 its reverse (10102001022), we get a palindrome (32112021123).

The spelling of 22010020101 in words is "twenty-two billion, ten million, twenty thousand, one hundred one".