21433414122111 has 8 divisors (see below), whose sum is σ = 28860834857904. Its totient is φ = 14147468067200.

The previous prime is 21433414122077. The next prime is 21433414122163. The reversal of 21433414122111 is 11122141433412.

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

It is a cyclic number.

It is not a de Polignac number, because 21433414122111 - 2¹⁰ = 21433414121087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433414121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35368669866 + ... + 35368670471.

It is an arithmetic number, because the mean of its divisors is an integer number (3607604357238).

Almost surely, 2^{21433414122111} is an apocalyptic number.

21433414122111 is a deficient number, since it is larger than the sum of its proper divisors (7427420735793).

21433414122111 is a wasteful number, since it uses less digits than its factorization.

21433414122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737340441.

The product of its digits is 4608, while the sum is 30.

Adding to 21433414122111 its reverse (11122141433412), we get a palindrome (32555555555523).

The spelling of 21433414122111 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred fourteen million, one hundred twenty-two thousand, one hundred eleven".