120202111111211 has 4 divisors (see below), whose sum is σ = 120293104383624. Its totient is φ = 120111117838800.

The previous prime is 120202111111207. The next prime is 120202111111213. The reversal of 120202111111211 is 112111111202021.

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 120202111111211 - 2² = 120202111111207 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 120202111111211.

It is not an unprimeable number, because it can be changed into a prime (120202111111213) 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, 45496634225 + ... + 45496636866.

It is an arithmetic number, because the mean of its divisors is an integer number (30073276095906).

Almost surely, 2^{120202111111211} is an apocalyptic number.

120202111111211 is a deficient number, since it is larger than the sum of its proper divisors (90993272413).

120202111111211 is an equidigital number, since it uses as much as digits as its factorization.

120202111111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90993272412.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 120202111111211 its reverse (112111111202021), we get a palindrome (232313222313232).

The spelling of 120202111111211 in words is "one hundred twenty trillion, two hundred two billion, one hundred eleven million, one hundred eleven thousand, two hundred eleven".