211010011002 has 48 divisors (see below), whose sum is σ = 522654250560. Its totient is φ = 60270889536.

The previous prime is 211010010997. The next prime is 211010011021. The reversal of 211010011002 is 200110010112.

It is a happy number.

It is a super-2 number, since 2×211010011002² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 188649 + ... + 676467.

It is an arithmetic number, because the mean of its divisors is an integer number (10888630220).

Almost surely, 2^211010011002 is an apocalyptic number.

211010011002 is an abundant number, since it is smaller than the sum of its proper divisors (311644239558).

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

211010011002 is a wasteful number, since it uses less digits than its factorization.

211010011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491267 (or 491264 counting only the distinct ones).

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

Adding to 211010011002 its reverse (200110010112), we get a palindrome (411120021114).

The spelling of 211010011002 in words is "two hundred eleven billion, ten million, eleven thousand, two".