211213048 has 16 divisors (see below), whose sum is σ = 413243280. Its totient is φ = 101014848.

The previous prime is 211213043. The next prime is 211213069. The reversal of 211213048 is 840312112.

It is a happy number.

It is a super-2 number, since 2×211213048² = 89221903290900608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573765 + ... + 574132.

It is an arithmetic number, because the mean of its divisors is an integer number (25827705).

Almost surely, 2^211213048 is an apocalyptic number.

It is an amenable number.

211213048 is a deficient number, since it is larger than the sum of its proper divisors (202030232).

211213048 is a wasteful number, since it uses less digits than its factorization.

211213048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147926 (or 1147922 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 211213048 is about 14533.1706107098. The cubic root of 211213048 is about 595.5344847767.

The spelling of 211213048 in words is "two hundred eleven million, two hundred thirteen thousand, forty-eight".