1202212221011 has 4 divisors (see below), whose sum is σ = 1202439187272. Its totient is φ = 1201985254752.

The previous prime is 1202212220977. The next prime is 1202212221017. The reversal of 1202212221011 is 1101222122021.

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 1202212221011 - 2⁶ = 1202212220947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202212221017) 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, 113475185 + ... + 113485778.

It is an arithmetic number, because the mean of its divisors is an integer number (300609796818).

Almost surely, 2^{1202212221011} is an apocalyptic number.

1202212221011 is a deficient number, since it is larger than the sum of its proper divisors (226966261).

1202212221011 is an equidigital number, since it uses as much as digits as its factorization.

1202212221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226966260.

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

Adding to 1202212221011 its reverse (1101222122021), we get a palindrome (2303434343032).

The spelling of 1202212221011 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, eleven".