2121112411353 has 128 divisors (see below), whose sum is σ = 3510092759040. Its totient is φ = 1257472823040.

The previous prime is 2121112411351. The next prime is 2121112411361. The reversal of 2121112411353 is 3531142111212.

2121112411353 is a `hidden beast` number, since 2 + 1 + 211 + 1 + 2 + 411 + 35 + 3 = 666.

It is not a de Polignac number, because 2121112411353 - 2¹ = 2121112411351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2121112411351) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 563075476 + ... + 563079242.

It is an arithmetic number, because the mean of its divisors is an integer number (27422599680).

Almost surely, 2^{2121112411353} is an apocalyptic number.

It is an amenable number.

2121112411353 is a deficient number, since it is larger than the sum of its proper divisors (1388980347687).

2121112411353 is a wasteful number, since it uses less digits than its factorization.

2121112411353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244 (or 4238 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 2121112411353 its reverse (3531142111212), we get a palindrome (5652254522565).

The spelling of 2121112411353 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, four hundred eleven thousand, three hundred fifty-three".