121010121012211 has 8 divisors (see below), whose sum is σ = 128212052781744. Its totient is φ = 113817488060160.

The previous prime is 121010121012199. The next prime is 121010121012223. The reversal of 121010121012211 is 112210121010121.

It is an interprime number because it is at equal distance from previous prime (121010121012199) and next prime (121010121012223).

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

It is a de Polignac number, because none of the positive numbers 2^k-121010121012211 is a prime.

It is a super-2 number, since 2×121010121012211² (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 (121010121012811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324677570 + ... + 2324729623.

It is an arithmetic number, because the mean of its divisors is an integer number (16026506597718).

Almost surely, 2^{121010121012211} is an apocalyptic number.

121010121012211 is a deficient number, since it is larger than the sum of its proper divisors (7201931769533).

121010121012211 is a wasteful number, since it uses less digits than its factorization.

121010121012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649408741.

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

Adding to 121010121012211 its reverse (112210121010121), we get a palindrome (233220242022332).

The spelling of 121010121012211 in words is "one hundred twenty-one trillion, ten billion, one hundred twenty-one million, twelve thousand, two hundred eleven".