211001001102 has 24 divisors (see below), whose sum is σ = 457253411160. Its totient is φ = 70320655440.

The previous prime is 211001001067. The next prime is 211001001119. The reversal of 211001001102 is 201100100112.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984049 + ... + 1179132.

It is an arithmetic number, because the mean of its divisors is an integer number (19052225465).

Almost surely, 2^211001001102 is an apocalyptic number.

211001001102 is an abundant number, since it is smaller than the sum of its proper divisors (246252410058).

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

211001001102 is a wasteful number, since it uses less digits than its factorization.

211001001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168608 (or 2168605 counting only the distinct ones).

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

Adding to 211001001102 its reverse (201100100112), we get a palindrome (412101101214).

It can be divided in two parts, 21100100110 and 2, that added together give a palindrome (21100100112).

The spelling of 211001001102 in words is "two hundred eleven billion, one million, one thousand, one hundred two".