211110442002 has 12 divisors (see below), whose sum is σ = 457405957710. Its totient is φ = 70370147328.

The previous prime is 211110441959. The next prime is 211110442061. The reversal of 211110442002 is 200244011112.

211110442002 is a `hidden beast` number, since 211 + 1 + 10 + 442 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 183842855361 + 27267586641 = 428769^2 + 165129^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11728357889 = 211110442002 / (2 + 1 + 1 + 1 + 1 + 0 + 4 + 4 + 2 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5864178927 + ... + 5864178962.

Almost surely, 2^211110442002 is an apocalyptic number.

211110442002 is an abundant number, since it is smaller than the sum of its proper divisors (246295515708).

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

211110442002 is a wasteful number, since it uses less digits than its factorization.

211110442002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728357897 (or 11728357894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211110442002 its reverse (200244011112), we get a palindrome (411354453114).

The spelling of 211110442002 in words is "two hundred eleven billion, one hundred ten million, four hundred forty-two thousand, two".