121120210211 has 16 divisors (see below), whose sum is σ = 162622940928. Its totient is φ = 87119431200.

The previous prime is 121120210187. The next prime is 121120210243. The reversal of 121120210211 is 112012021121.

It is a cyclic number.

It is not a de Polignac number, because 121120210211 - 2¹⁴ = 121120193827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120210291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60498605 + ... + 60500606.

It is an arithmetic number, because the mean of its divisors is an integer number (10163933808).

Almost surely, 2^121120210211 is an apocalyptic number.

121120210211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121120210211 is a deficient number, since it is larger than the sum of its proper divisors (41502730717).

121120210211 is a wasteful number, since it uses less digits than its factorization.

121120210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120999242.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121120210211 its reverse (112012021121), we get a palindrome (233132231332).

The spelling of 121120210211 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, two hundred eleven".