212022122113 has 4 divisors (see below), whose sum is σ = 212026297428. Its totient is φ = 212017946800.

The previous prime is 212022122099. The next prime is 212022122153. The reversal of 212022122113 is 311221220212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26143009344 + 185879112769 = 161688^2 + 431137^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022122113 - 2³³ = 203432187521 is a prime.

It is a super-3 number, since 3×212022122113³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022122153) 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, 2010538 + ... + 2113363.

It is an arithmetic number, because the mean of its divisors is an integer number (53006574357).

Almost surely, 2^212022122113 is an apocalyptic number.

It is an amenable number.

212022122113 is a deficient number, since it is larger than the sum of its proper divisors (4175315).

212022122113 is an equidigital number, since it uses as much as digits as its factorization.

212022122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175314.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212022122113 its reverse (311221220212), we get a palindrome (523243342325).

The spelling of 212022122113 in words is "two hundred twelve billion, twenty-two million, one hundred twenty-two thousand, one hundred thirteen".