211743401051 has 96 divisors (see below), whose sum is σ = 288170184960. Its totient is φ = 153671986944.

The previous prime is 211743401047. The next prime is 211743401069. The reversal of 211743401051 is 150104347112.

It is not a de Polignac number, because 211743401051 - 2² = 211743401047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211743401011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101652056 + ... + 101654138.

It is an arithmetic number, because the mean of its divisors is an integer number (3001772760).

Almost surely, 2^211743401051 is an apocalyptic number.

211743401051 is a deficient number, since it is larger than the sum of its proper divisors (76426783909).

211743401051 is a wasteful number, since it uses less digits than its factorization.

211743401051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 211743401051 its reverse (150104347112), we get a palindrome (361847748163).

The spelling of 211743401051 in words is "two hundred eleven billion, seven hundred forty-three million, four hundred one thousand, fifty-one".