2011002102 has 48 divisors (see below), whose sum is σ = 4608965088. Its totient is φ = 632396160.

The previous prime is 2011002101. The next prime is 2011002107. The reversal of 2011002102 is 2012001102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011002101) 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, 3049 + ... + 63492.

It is an arithmetic number, because the mean of its divisors is an integer number (96020106).

Almost surely, 2^2011002102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011002102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304482544).

2011002102 is an abundant number, since it is smaller than the sum of its proper divisors (2597962986).

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

2011002102 is a wasteful number, since it uses less digits than its factorization.

2011002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66645 (or 66642 counting only the distinct ones).

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

The square root of 2011002102 is about 44844.1980862631. The cubic root of 2011002102 is about 1262.2271230917.

Adding to 2011002102 its reverse (2012001102), we get a palindrome (4023003204).

The spelling of 2011002102 in words is "two billion, eleven million, two thousand, one hundred two".