2211120202202 has 4 divisors (see below), whose sum is σ = 3316680303306. Its totient is φ = 1105560101100.

The previous prime is 2211120202169. The next prime is 2211120202231. The reversal of 2211120202202 is 2022020211122.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1794257571001 + 416862631201 = 1339499^2 + 645649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552780050549 + ... + 552780050552.

Almost surely, 2^{2211120202202} is an apocalyptic number.

2211120202202 is a deficient number, since it is larger than the sum of its proper divisors (1105560101104).

2211120202202 is a wasteful number, since it uses less digits than its factorization.

2211120202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105560101103.

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

Adding to 2211120202202 its reverse (2022020211122), we get a palindrome (4233140413324).

The spelling of 2211120202202 in words is "two trillion, two hundred eleven billion, one hundred twenty million, two hundred two thousand, two hundred two".