22010021111 has 16 divisors (see below), whose sum is σ = 24477358080. Its totient is φ = 19653809760.

The previous prime is 22010021107. The next prime is 22010021119. The reversal of 22010021111 is 11112001022.

It is not a de Polignac number, because 22010021111 - 2² = 22010021107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010021092 and 22010021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010021119) 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, 1175126 + ... + 1193708.

It is an arithmetic number, because the mean of its divisors is an integer number (1529834880).

Almost surely, 2^22010021111 is an apocalyptic number.

22010021111 is a deficient number, since it is larger than the sum of its proper divisors (2467336969).

22010021111 is a wasteful number, since it uses less digits than its factorization.

22010021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22010021111 its reverse (11112001022), we get a palindrome (33122022133).

The spelling of 22010021111 in words is "twenty-two billion, ten million, twenty-one thousand, one hundred eleven".