21433120401411 has 6 divisors (see below), whose sum is σ = 30958951690940. Its totient is φ = 14288746934268.

The previous prime is 21433120401373. The next prime is 21433120401419. The reversal of 21433120401411 is 11410402133412.

It is a happy number.

21433120401411 is a `hidden beast` number, since 2 + 1 + 43 + 3 + 1 + 204 + 0 + 1 + 411 = 666.

It is not a de Polignac number, because 21433120401411 - 2⁶ = 21433120401347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433120401419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1190728911181 + ... + 1190728911198.

Almost surely, 2^{21433120401411} is an apocalyptic number.

21433120401411 is a deficient number, since it is larger than the sum of its proper divisors (9525831289529).

21433120401411 is a wasteful number, since it uses less digits than its factorization.

21433120401411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381457822385 (or 2381457822382 counting only the distinct ones).

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

Adding to 21433120401411 its reverse (11410402133412), we get a palindrome (32843522534823).

The spelling of 21433120401411 in words is "twenty-one trillion, four hundred thirty-three billion, one hundred twenty million, four hundred one thousand, four hundred eleven".