121133221102211 has 4 divisors (see below), whose sum is σ = 124087689909624. Its totient is φ = 118178752294800.

The previous prime is 121133221102147. The next prime is 121133221102247. The reversal of 121133221102211 is 112201122331121.

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 121133221102211 - 2⁶ = 121133221102147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121133221102291) 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, 1477234403645 + ... + 1477234403726.

It is an arithmetic number, because the mean of its divisors is an integer number (31021922477406).

Almost surely, 2^{121133221102211} is an apocalyptic number.

121133221102211 is a deficient number, since it is larger than the sum of its proper divisors (2954468807413).

121133221102211 is an equidigital number, since it uses as much as digits as its factorization.

121133221102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954468807412.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 121133221102211 its reverse (112201122331121), we get a palindrome (233334343433332).

The spelling of 121133221102211 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, two hundred twenty-one million, one hundred two thousand, two hundred eleven".