21112141034043 has 16 divisors (see below), whose sum is σ = 32040105636000. Its totient is φ = 13731473842560.

The previous prime is 21112141033937. The next prime is 21112141034123. The reversal of 21112141034043 is 34043014121112.

It is a happy number.

21112141034043 is a `hidden beast` number, since 2 + 1 + 112 + 141 + 0 + 3 + 404 + 3 = 666.

It is not a de Polignac number, because 21112141034043 - 2⁹ = 21112141033531 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 21112141033998 and 21112141034016.

It is not an unprimeable number, because it can be changed into a prime (21112141234043) 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, 9535744618 + ... + 9535746831.

It is an arithmetic number, because the mean of its divisors is an integer number (2002506602250).

Almost surely, 2^{21112141034043} is an apocalyptic number.

21112141034043 is a deficient number, since it is larger than the sum of its proper divisors (10927964601957).

21112141034043 is a wasteful number, since it uses less digits than its factorization.

21112141034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19071491499 (or 19071491493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21112141034043 its reverse (34043014121112), we get a palindrome (55155155155155).

The spelling of 21112141034043 in words is "twenty-one trillion, one hundred twelve billion, one hundred forty-one million, thirty-four thousand, forty-three".