2011012121210 has 8 divisors (see below), whose sum is σ = 3619821818196. Its totient is φ = 804404848480.

The previous prime is 2011012121149. The next prime is 2011012121231. The reversal of 2011012121210 is 121212101102.

It can be written as a sum of positive squares in 2 ways, for example, as 2006820724129 + 4191397081 = 1416623^2 + 64741^2 .

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

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, 100550606051 + ... + 100550606070.

Almost surely, 2^{2011012121210} is an apocalyptic number.

2011012121210 is a deficient number, since it is larger than the sum of its proper divisors (1608809696986).

2011012121210 is a wasteful number, since it uses less digits than its factorization.

2011012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201101212128.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011012121210 its reverse (121212101102), we get a palindrome (2132224222312).

The spelling of 2011012121210 in words is "two trillion, eleven billion, twelve million, one hundred twenty-one thousand, two hundred ten".