2112201220202 has 4 divisors (see below), whose sum is σ = 3168301830306. Its totient is φ = 1056100610100.

The previous prime is 2112201220193. The next prime is 2112201220211. The reversal of 2112201220202 is 2020221022112.

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 (2112201220193) and next prime (2112201220211).

It can be written as a sum of positive squares in only one way, i.e., 1859211333841 + 252989886361 = 1363529^2 + 502981^2 .

It is a super-2 number, since 2×2112201220202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528050305049 + ... + 528050305052.

Almost surely, 2^{2112201220202} is an apocalyptic number.

2112201220202 is a deficient number, since it is larger than the sum of its proper divisors (1056100610104).

2112201220202 is a wasteful number, since it uses less digits than its factorization.

2112201220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056100610103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2112201220202 its reverse (2020221022112), we get a palindrome (4132422242314).

The spelling of 2112201220202 in words is "two trillion, one hundred twelve billion, two hundred one million, two hundred twenty thousand, two hundred two".