22123101 has 64 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 10333440.

The previous prime is 22123097. The next prime is 22123133. The reversal of 22123101 is 10132122.

It is not a de Polignac number, because 22123101 - 2² = 22123097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159090 + ... + 159228.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^22123101 is an apocalyptic number.

22123101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22123101 is a deficient number, since it is larger than the sum of its proper divisors (18519459).

22123101 is a wasteful number, since it uses less digits than its factorization.

22123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 22123101 is about 4703.5200648025. The cubic root of 22123101 is about 280.7255883338.

Adding to 22123101 its reverse (10132122), we get a palindrome (32255223).

The spelling of 22123101 in words is "twenty-two million, one hundred twenty-three thousand, one hundred one".