2201202112122 has 48 divisors (see below), whose sum is σ = 5136469517088. Its totient is φ = 677249275680.

The previous prime is 2201202112073. The next prime is 2201202112127. The reversal of 2201202112122 is 2212112021022.

It is a happy number.

2201202112122 is a `hidden beast` number, since 220 + 1 + 20 + 211 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2201202112095 and 2201202112104.

It is not an unprimeable number, because it can be changed into a prime (2201202112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3430597 + ... + 4021367.

It is an arithmetic number, because the mean of its divisors is an integer number (107009781606).

Almost surely, 2^{2201202112122} is an apocalyptic number.

2201202112122 is an abundant number, since it is smaller than the sum of its proper divisors (2935267404966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201202112122 is a wasteful number, since it uses less digits than its factorization.

2201202112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606715 (or 606712 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2201202112122 its reverse (2212112021022), we get a palindrome (4413314133144).

The spelling of 2201202112122 in words is "two trillion, two hundred one billion, two hundred two million, one hundred twelve thousand, one hundred twenty-two".