201111022202 has 4 divisors (see below), whose sum is σ = 301666533306. Its totient is φ = 100555511100.

The previous prime is 201111022171. The next prime is 201111022213. The reversal of 201111022202 is 202220111102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202220111102 = 2 ⋅101110055551.

It can be written as a sum of positive squares in only one way, i.e., 175610445481 + 25500576721 = 419059^2 + 159689^2 .

It is a super-2 number, since 2×201111022202² (a number of 23 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, 50277755549 + ... + 50277755552.

Almost surely, 2^201111022202 is an apocalyptic number.

201111022202 is a deficient number, since it is larger than the sum of its proper divisors (100555511104).

201111022202 is a wasteful number, since it uses less digits than its factorization.

201111022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100555511103.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201111022202 its reverse (202220111102), we get a palindrome (403331133304).

The spelling of 201111022202 in words is "two hundred one billion, one hundred eleven million, twenty-two thousand, two hundred two".