2011011211210 has 16 divisors (see below), whose sum is σ = 3832750779336. Its totient is φ = 757086573568.

The previous prime is 2011011211169. The next prime is 2011011211273. The reversal of 2011011211210 is 121121101102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1950879834121 + 60131377089 = 1396739^2 + 245217^2 .

It is a super-2 number, since 2×2011011211210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5914738687 + ... + 5914739026.

Almost surely, 2^{2011011211210} is an apocalyptic number.

2011011211210 is a deficient number, since it is larger than the sum of its proper divisors (1821739568126).

2011011211210 is a wasteful number, since it uses less digits than its factorization.

2011011211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11829477737.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2011011211210 its reverse (121121101102), we get a palindrome (2132132312312).

The spelling of 2011011211210 in words is "two trillion, eleven billion, eleven million, two hundred eleven thousand, two hundred ten".