21022310011 has 16 divisors (see below), whose sum is σ = 22259050240. Its totient is φ = 19798823520.

The previous prime is 21022309999. The next prime is 21022310069. The reversal of 21022310011 is 11001322012.

It is a cyclic number.

It is not a de Polignac number, because 21022310011 - 2¹³ = 21022301819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21022309973 and 21022310000.

It is not an unprimeable number, because it can be changed into a prime (21022310411) 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, 4259101 + ... + 4264033.

It is an arithmetic number, because the mean of its divisors is an integer number (1391190640).

Almost surely, 2^21022310011 is an apocalyptic number.

21022310011 is a deficient number, since it is larger than the sum of its proper divisors (1236740229).

21022310011 is a wasteful number, since it uses less digits than its factorization.

21022310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21022310011 its reverse (11001322012), we get a palindrome (32023632023).

The spelling of 21022310011 in words is "twenty-one billion, twenty-two million, three hundred ten thousand, eleven".