22212112101 has 4 divisors (see below), whose sum is σ = 29616149472. Its totient is φ = 14808074732.

The previous prime is 22212112081. The next prime is 22212112123. The reversal of 22212112101 is 10121121222.

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 22212112101 - 2⁹ = 22212111589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212162101) 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, 3702018681 + ... + 3702018686.

It is an arithmetic number, because the mean of its divisors is an integer number (7404037368).

Almost surely, 2^22212112101 is an apocalyptic number.

It is an amenable number.

22212112101 is a deficient number, since it is larger than the sum of its proper divisors (7404037371).

22212112101 is an equidigital number, since it uses as much as digits as its factorization.

22212112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404037370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22212112101 its reverse (10121121222), we get a palindrome (32333233323).

The spelling of 22212112101 in words is "twenty-two billion, two hundred twelve million, one hundred twelve thousand, one hundred one".