121144133210211 has 12 divisors (see below), whose sum is σ = 175073506972000. Its totient is φ = 80722353882960.

The previous prime is 121144133210209. The next prime is 121144133210231. The reversal of 121144133210211 is 112012331441121.

121144133210211 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 4 + 413 + 32 + 1 + 0 + 211 = 666.

It is not a de Polignac number, because 121144133210211 - 2¹ = 121144133210209 is a prime.

It is a super-3 number, since 3×121144133210211³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121144133210231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3366780220 + ... + 3366816201.

Almost surely, 2^{121144133210211} is an apocalyptic number.

121144133210211 is a deficient number, since it is larger than the sum of its proper divisors (53929373761789).

121144133210211 is a wasteful number, since it uses less digits than its factorization.

121144133210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733598426 (or 6733598423 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 121144133210211 its reverse (112012331441121), we get a palindrome (233156464651332).

The spelling of 121144133210211 in words is "one hundred twenty-one trillion, one hundred forty-four billion, one hundred thirty-three million, two hundred ten thousand, two hundred eleven".