2011501102 has 32 divisors (see below), whose sum is σ = 3280298112. Its totient is φ = 919586304.

The previous prime is 2011501091. The next prime is 2011501187. The reversal of 2011501102 is 2011051102.

It is a super-2 number, since 2×2011501102² = 8092273366694428808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515163 + ... + 1516489.

It is an arithmetic number, because the mean of its divisors is an integer number (102509316).

Almost surely, 2^2011501102 is an apocalyptic number.

2011501102 is a deficient number, since it is larger than the sum of its proper divisors (1268797010).

2011501102 is a wasteful number, since it uses less digits than its factorization.

2011501102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2011501102 is about 44849.7614486410. The cubic root of 2011501102 is about 1262.3315153654.

Adding to 2011501102 its reverse (2011051102), we get a palindrome (4022552204).

The spelling of 2011501102 in words is "two billion, eleven million, five hundred one thousand, one hundred two".