211051401 has 16 divisors (see below), whose sum is σ = 309858048. Its totient is φ = 126712400.

The previous prime is 211051361. The next prime is 211051409. The reversal of 211051401 is 104150112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211051401 - 2¹⁰ = 211050377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211051409) 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, 26355 + ... + 33416.

It is an arithmetic number, because the mean of its divisors is an integer number (19366128).

Almost surely, 2^211051401 is an apocalyptic number.

It is an amenable number.

211051401 is a deficient number, since it is larger than the sum of its proper divisors (98806647).

211051401 is a wasteful number, since it uses less digits than its factorization.

211051401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59892.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 211051401 is about 14527.6082339799. The cubic root of 211051401 is about 595.3825198411.

The spelling of 211051401 in words is "two hundred eleven million, fifty-one thousand, four hundred one".