121322010111 has 4 divisors (see below), whose sum is σ = 161762680152. Its totient is φ = 80881340072.

The previous prime is 121322010109. The next prime is 121322010283. The reversal of 121322010111 is 111010223121.

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 121322010111 - 2¹ = 121322010109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322010811) 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, 20220335016 + ... + 20220335021.

It is an arithmetic number, because the mean of its divisors is an integer number (40440670038).

Almost surely, 2^121322010111 is an apocalyptic number.

121322010111 is a deficient number, since it is larger than the sum of its proper divisors (40440670041).

121322010111 is an equidigital number, since it uses as much as digits as its factorization.

121322010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440670040.

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

Adding to 121322010111 its reverse (111010223121), we get a palindrome (232332233232).

The spelling of 121322010111 in words is "one hundred twenty-one billion, three hundred twenty-two million, ten thousand, one hundred eleven".