121100202230211 has 16 divisors (see below), whose sum is σ = 179700378658720. Its totient is φ = 80601765910560.

The previous prime is 121100202230177. The next prime is 121100202230251. The reversal of 121100202230211 is 112032202001121.

121100202230211 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 0 + 202 + 230 + 211 = 666.

It is not a de Polignac number, because 121100202230211 - 2⁷ = 121100202230083 is a prime.

It is a super-2 number, since 2×121100202230211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100202230251) 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, 3658378780 + ... + 3658411881.

It is an arithmetic number, because the mean of its divisors is an integer number (11231273666170).

Almost surely, 2^{121100202230211} is an apocalyptic number.

121100202230211 is a deficient number, since it is larger than the sum of its proper divisors (58600176428509).

121100202230211 is an equidigital number, since it uses as much as digits as its factorization.

121100202230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316791283 (or 7316791277 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121100202230211 its reverse (112032202001121), we get a palindrome (233132404231332).

The spelling of 121100202230211 in words is "one hundred twenty-one trillion, one hundred billion, two hundred two million, two hundred thirty thousand, two hundred eleven".