22010101011 has 24 divisors (see below), whose sum is σ = 33592965120. Its totient is φ = 13848232176.

The previous prime is 22010101007. The next prime is 22010101031. The reversal of 22010101011 is 11010101022.

It is a happy number.

It is not a de Polignac number, because 22010101011 - 2² = 22010101007 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 22010100984 and 22010101002.

It is not an unprimeable number, because it can be changed into a prime (22010101031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199731 + ... + 289676.

It is an arithmetic number, because the mean of its divisors is an integer number (1399706880).

Almost surely, 2^22010101011 is an apocalyptic number.

22010101011 is a deficient number, since it is larger than the sum of its proper divisors (11582864109).

22010101011 is a wasteful number, since it uses less digits than its factorization.

22010101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489695 (or 489692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 22010101011 its reverse (11010101022), we get a palindrome (33020202033).

The spelling of 22010101011 in words is "twenty-two billion, ten million, one hundred one thousand, eleven".