211102002 has 48 divisors (see below), whose sum is σ = 476855808. Its totient is φ = 67417920.

The previous prime is 211101997. The next prime is 211102009. The reversal of 211102002 is 200201112.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211102009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55638 + ... + 59310.

It is an arithmetic number, because the mean of its divisors is an integer number (9934496).

Almost surely, 2^211102002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211102002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238427904).

211102002 is an abundant number, since it is smaller than the sum of its proper divisors (265753806).

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

211102002 is a wasteful number, since it uses less digits than its factorization.

211102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 211102002 is about 14529.3496757425. The cubic root of 211102002 is about 595.4300983668.

Adding to 211102002 its reverse (200201112), we get a palindrome (411303114).

The spelling of 211102002 in words is "two hundred eleven million, one hundred two thousand, two".