22212120127 has 8 divisors (see below), whose sum is σ = 23152934576. Its totient is φ = 21289226112.

The previous prime is 22212120101. The next prime is 22212120143. The reversal of 22212120127 is 72102121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22212120127 - 2²³ = 22203731519 is a prime.

It is a super-2 number, since 2×22212120127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212120098 and 22212120107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212120157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4477578 + ... + 4482535.

It is an arithmetic number, because the mean of its divisors is an integer number (2894116822).

Almost surely, 2^22212120127 is an apocalyptic number.

22212120127 is a deficient number, since it is larger than the sum of its proper divisors (940814449).

22212120127 is an equidigital number, since it uses as much as digits as its factorization.

22212120127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960217.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 22212120127 its reverse (72102121222), we get a palindrome (94314241349).

The spelling of 22212120127 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-seven".