211140102 has 32 divisors (see below), whose sum is σ = 447897600. Its totient is φ = 66124928.

The previous prime is 211140091. The next prime is 211140133. The reversal of 211140102 is 201041112.

It is a happy number.

211140102 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71899 + ... + 74777.

It is an arithmetic number, because the mean of its divisors is an integer number (13996800).

Almost surely, 2^211140102 is an apocalyptic number.

211140102 is an abundant number, since it is smaller than the sum of its proper divisors (236757498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211140102 is a wasteful number, since it uses less digits than its factorization.

211140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 211140102 is about 14530.6607557950. The cubic root of 211140102 is about 595.4659175788.

Adding to 211140102 its reverse (201041112), we get a palindrome (412181214).

The spelling of 211140102 in words is "two hundred eleven million, one hundred forty thousand, one hundred two".