211100011002 has 64 divisors (see below), whose sum is σ = 502993497600. Its totient is φ = 65389109760.

The previous prime is 211100010991. The next prime is 211100011013. The reversal of 211100011002 is 200110001112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211100010991) and next prime (211100011013).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382899 + ... + 1527942.

It is an arithmetic number, because the mean of its divisors is an integer number (7859273400).

Almost surely, 2^211100011002 is an apocalyptic number.

211100011002 is an abundant number, since it is smaller than the sum of its proper divisors (291893486598).

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

211100011002 is a wasteful number, since it uses less digits than its factorization.

211100011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910948 (or 2910942 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211100011002 its reverse (200110001112), we get a palindrome (411210012114).

The spelling of 211100011002 in words is "two hundred eleven billion, one hundred million, eleven thousand, two".