2011021010 has 8 divisors (see below), whose sum is σ = 3619837836. Its totient is φ = 804408400.

The previous prime is 2011020989. The next prime is 2011021043. The reversal of 2011021010 is 101201102.

It can be written as a sum of positive squares in 2 ways, for example, as 1985326249 + 25694761 = 44557^2 + 5069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2011021010² = 8088411005322840200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100551041 + ... + 100551060.

Almost surely, 2^2011021010 is an apocalyptic number.

2011021010 is a deficient number, since it is larger than the sum of its proper divisors (1608816826).

2011021010 is a wasteful number, since it uses less digits than its factorization.

2011021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201102108.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2011021010 is about 44844.4089045669. The cubic root of 2011021010 is about 1262.2310790159.

Adding to 2011021010 its reverse (101201102), we get a palindrome (2112222112).

The spelling of 2011021010 in words is "two billion, eleven million, twenty-one thousand, ten".