22001010111 has 12 divisors (see below), whose sum is σ = 33160943088. Its totient is φ = 14029629504.

The previous prime is 22001010107. The next prime is 22001010131. The reversal of 22001010111 is 11101010022.

It is a happy number.

It is not a de Polignac number, because 22001010111 - 2² = 22001010107 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 = 22001010093 and 22001010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001010131) 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, 53142330 + ... + 53142743.

It is an arithmetic number, because the mean of its divisors is an integer number (2763411924).

Almost surely, 2^22001010111 is an apocalyptic number.

22001010111 is a deficient number, since it is larger than the sum of its proper divisors (11159932977).

22001010111 is a wasteful number, since it uses less digits than its factorization.

22001010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106285102 (or 106285099 counting only the distinct ones).

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

Adding to 22001010111 its reverse (11101010022), we get a palindrome (33102020133).

The spelling of 22001010111 in words is "twenty-two billion, one million, ten thousand, one hundred eleven".