22212120115 has 8 divisors (see below), whose sum is σ = 26975683728. Its totient is φ = 17555603040.

The previous prime is 22212120101. The next prime is 22212120143. The reversal of 22212120115 is 51102121222.

It is a happy number.

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

It is not a de Polignac number, because 22212120115 - 2¹⁵ = 22212087347 is a prime.

It is a super-2 number, since 2×22212120115² (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 = 22212120092 and 22212120101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26761176 + ... + 26762005.

It is an arithmetic number, because the mean of its divisors is an integer number (3371960466).

Almost surely, 2^22212120115 is an apocalyptic number.

22212120115 is a deficient number, since it is larger than the sum of its proper divisors (4763563613).

22212120115 is an equidigital number, since it uses as much as digits as its factorization.

22212120115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53523269.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 22212120115 its reverse (51102121222), we get a palindrome (73314241337).

The spelling of 22212120115 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred fifteen".