121101320211 has 8 divisors (see below), whose sum is σ = 161785655760. Its totient is φ = 80575599072.

The previous prime is 121101320183. The next prime is 121101320213. The reversal of 121101320211 is 112023101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121101320211 - 2²¹ = 121099223059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121101320213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39651820 + ... + 39654873.

It is an arithmetic number, because the mean of its divisors is an integer number (20223206970).

Almost surely, 2^121101320211 is an apocalyptic number.

121101320211 is a deficient number, since it is larger than the sum of its proper divisors (40684335549).

121101320211 is an equidigital number, since it uses as much as digits as its factorization.

121101320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79307205.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121101320211 its reverse (112023101121), we get a palindrome (233124421332).

The spelling of 121101320211 in words is "one hundred twenty-one billion, one hundred one million, three hundred twenty thousand, two hundred eleven".