1202222201111 has 4 divisors (see below), whose sum is σ = 1202241697224. Its totient is φ = 1202202705000.

The previous prime is 1202222201107. The next prime is 1202222201177. The reversal of 1202222201111 is 1111022222021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202222201111 - 2² = 1202222201107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202222201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202222201611) 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, 9655265 + ... + 9778986.

It is an arithmetic number, because the mean of its divisors is an integer number (300560424306).

Almost surely, 2^{1202222201111} is an apocalyptic number.

1202222201111 is a deficient number, since it is larger than the sum of its proper divisors (19496113).

1202222201111 is an equidigital number, since it uses as much as digits as its factorization.

1202222201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202222201111 its reverse (1111022222021), we get a palindrome (2313244423132).

The spelling of 1202222201111 in words is "one trillion, two hundred two billion, two hundred twenty-two million, two hundred one thousand, one hundred eleven".