122022212101 has 4 divisors (see below), whose sum is σ = 122023934604. Its totient is φ = 122020489600.

The previous prime is 122022212071. The next prime is 122022212131. The reversal of 122022212101 is 101212220221.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (122022212071) and next prime (122022212131).

It can be written as a sum of positive squares in 2 ways, for example, as 19817319076 + 102204893025 = 140774^2 + 319695^2 .

It is a cyclic number.

It is not a de Polignac number, because 122022212101 - 2⁵ = 122022212069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022212131) 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, 750220 + ... + 898261.

It is an arithmetic number, because the mean of its divisors is an integer number (30505983651).

Almost surely, 2^122022212101 is an apocalyptic number.

It is an amenable number.

122022212101 is a deficient number, since it is larger than the sum of its proper divisors (1722503).

122022212101 is an equidigital number, since it uses as much as digits as its factorization.

122022212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722502.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122022212101 its reverse (101212220221), we get a palindrome (223234432322).

The spelling of 122022212101 in words is "one hundred twenty-two billion, twenty-two million, two hundred twelve thousand, one hundred one".