22011100151 has 4 divisors (see below), whose sum is σ = 22023488592. Its totient is φ = 21998711712.

The previous prime is 22011100147. The next prime is 22011100229. The reversal of 22011100151 is 15100111022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22011100151 - 2² = 22011100147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011100121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191555 + ... + 6195108.

It is an arithmetic number, because the mean of its divisors is an integer number (5505872148).

Almost surely, 2^22011100151 is an apocalyptic number.

22011100151 is a deficient number, since it is larger than the sum of its proper divisors (12388441).

22011100151 is a wasteful number, since it uses less digits than its factorization.

22011100151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388440.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 22011100151 its reverse (15100111022), we get a palindrome (37111211173).

The spelling of 22011100151 in words is "twenty-two billion, eleven million, one hundred thousand, one hundred fifty-one".