211115150 has 24 divisors (see below), whose sum is σ = 402255504. Its totient is φ = 82385600.

The previous prime is 211115143. The next prime is 211115159. The reversal of 211115150 is 51511112.

211115150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211115159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49442 + ... + 53541.

It is an arithmetic number, because the mean of its divisors is an integer number (16760646).

Almost surely, 2^211115150 is an apocalyptic number.

211115150 is a deficient number, since it is larger than the sum of its proper divisors (191140354).

211115150 is a wasteful number, since it uses less digits than its factorization.

211115150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103036 (or 103031 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 211115150 is about 14529.8021321696. The cubic root of 211115150 is about 595.4424597724.

Adding to 211115150 its reverse (51511112), we get a palindrome (262626262).

The spelling of 211115150 in words is "two hundred eleven million, one hundred fifteen thousand, one hundred fifty".