2011011210 has 96 divisors (see below), whose sum is σ = 5875728768. Its totient is φ = 473489280.

The previous prime is 2011011169. The next prime is 2011011221. The reversal of 2011011210 is 121101102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2011011192 and 2011011201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10456 + ... + 64275.

It is an arithmetic number, because the mean of its divisors is an integer number (61205508).

Almost surely, 2^2011011210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011011210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937864384).

2011011210 is an abundant number, since it is smaller than the sum of its proper divisors (3864717558).

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

2011011210 is a wasteful number, since it uses less digits than its factorization.

2011011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74780 (or 74777 counting only the distinct ones).

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

The square root of 2011011210 is about 44844.2996377466. The cubic root of 2011011210 is about 1262.2290286669.

Adding to 2011011210 its reverse (121101102), we get a palindrome (2132112312).

The spelling of 2011011210 in words is "two billion, eleven million, eleven thousand, two hundred ten".