211144245123201 has 8 divisors (see below), whose sum is σ = 303181480176960. Its totient is φ = 129934920075792.

The previous prime is 211144245123113. The next prime is 211144245123233. The reversal of 211144245123201 is 102321542441112.

It is a happy number.

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

It is not a de Polignac number, because 211144245123201 - 2⁷ = 211144245123073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211144245123401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706977501541 + ... + 2706977501618.

It is an arithmetic number, because the mean of its divisors is an integer number (37897685022120).

Almost surely, 2^{211144245123201} is an apocalyptic number.

It is an amenable number.

211144245123201 is a deficient number, since it is larger than the sum of its proper divisors (92037235053759).

211144245123201 is a wasteful number, since it uses less digits than its factorization.

211144245123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413955003175.

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 211144245123201 its reverse (102321542441112), we get a palindrome (313465787564313).

The spelling of 211144245123201 in words is "two hundred eleven trillion, one hundred forty-four billion, two hundred forty-five million, one hundred twenty-three thousand, two hundred one".