211001045 has 8 divisors (see below), whose sum is σ = 255134880. Its totient is φ = 167511760.

The previous prime is 211001033. The next prime is 211001053. The reversal of 211001045 is 540100112.

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

It is not a de Polignac number, because 211001045 - 2⁶ = 211000981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160415 + ... + 161724.

It is an arithmetic number, because the mean of its divisors is an integer number (31891860).

Almost surely, 2^211001045 is an apocalyptic number.

It is an amenable number.

211001045 is a deficient number, since it is larger than the sum of its proper divisors (44133835).

211001045 is a wasteful number, since it uses less digits than its factorization.

211001045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322275.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 211001045 is about 14525.8750166728. The cubic root of 211001045 is about 595.3351641310.

Adding to 211001045 its reverse (540100112), we get a palindrome (751101157).

The spelling of 211001045 in words is "two hundred eleven million, one thousand, forty-five".