2113411510121 has 16 divisors (see below), whose sum is σ = 2175433666560. Its totient is φ = 2052108449040.

The previous prime is 2113411510097. The next prime is 2113411510169. The reversal of 2113411510121 is 1210151143112.

It is a cyclic number.

It is not a de Polignac number, because 2113411510121 - 2¹⁸ = 2113411247977 is a prime.

It is a super-2 number, since 2×2113411510121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2113411510921) 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, 24085490 + ... + 24173076.

It is an arithmetic number, because the mean of its divisors is an integer number (135964604160).

Almost surely, 2^{2113411510121} is an apocalyptic number.

It is an amenable number.

2113411510121 is a deficient number, since it is larger than the sum of its proper divisors (62022156439).

2113411510121 is a wasteful number, since it uses less digits than its factorization.

2113411510121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91684.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 2113411510121 its reverse (1210151143112), we get a palindrome (3323562653233).

The spelling of 2113411510121 in words is "two trillion, one hundred thirteen billion, four hundred eleven million, five hundred ten thousand, one hundred twenty-one".