22012123101 has 4 divisors (see below), whose sum is σ = 29349497472. Its totient is φ = 14674748732.

The previous prime is 22012123093. The next prime is 22012123121. The reversal of 22012123101 is 10132121022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22012123101 - 2³ = 22012123093 is a prime.

It is a super-3 number, since 3×22012123101³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012123121) 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, 3668687181 + ... + 3668687186.

It is an arithmetic number, because the mean of its divisors is an integer number (7337374368).

Almost surely, 2^22012123101 is an apocalyptic number.

It is an amenable number.

22012123101 is a deficient number, since it is larger than the sum of its proper divisors (7337374371).

22012123101 is an equidigital number, since it uses as much as digits as its factorization.

22012123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337374370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22012123101 its reverse (10132121022), we get a palindrome (32144244123).

The spelling of 22012123101 in words is "twenty-two billion, twelve million, one hundred twenty-three thousand, one hundred one".