211432403011401 has 32 divisors (see below), whose sum is σ = 367994236794240. Its totient is φ = 118283861822400.

The previous prime is 211432403011381. The next prime is 211432403011429. The reversal of 211432403011401 is 104110304234112.

It is a happy number.

211432403011401 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 3 + 240 + 3 + 0 + 11 + 401 = 666.

It is not a de Polignac number, because 211432403011401 - 2¹⁹ = 211432402487113 is a prime.

It is a super-2 number, since 2×211432403011401² (a number of 29 digits) contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211432403011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27380519710 + ... + 27380527431.

It is an arithmetic number, because the mean of its divisors is an integer number (11499819899820).

Almost surely, 2^{211432403011401} is an apocalyptic number.

It is an amenable number.

211432403011401 is a deficient number, since it is larger than the sum of its proper divisors (156561833782839).

211432403011401 is a wasteful number, since it uses less digits than its factorization.

211432403011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54761047174 (or 54761047168 counting only the distinct ones).

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

Adding to 211432403011401 its reverse (104110304234112), we get a palindrome (315542707245513).

The spelling of 211432403011401 in words is "two hundred eleven trillion, four hundred thirty-two billion, four hundred three million, eleven thousand, four hundred one".