2010121220011 has 4 divisors (see below), whose sum is σ = 2010125449800. Its totient is φ = 2010116990224.

The previous prime is 2010121219991. The next prime is 2010121220021. The reversal of 2010121220011 is 1100221210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010121220011 - 2³³ = 2001531285419 is a prime.

It is a super-2 number, since 2×2010121220011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121219973 and 2010121220000.

It is not an unprimeable number, because it can be changed into a prime (2010121220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296481 + ... + 2387698.

It is an arithmetic number, because the mean of its divisors is an integer number (502531362450).

Almost surely, 2^{2010121220011} is an apocalyptic number.

2010121220011 is a deficient number, since it is larger than the sum of its proper divisors (4229789).

2010121220011 is an equidigital number, since it uses as much as digits as its factorization.

2010121220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229788.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010121220011 its reverse (1100221210102), we get a palindrome (3110342430113).

Subtracting from 2010121220011 its reverse (1100221210102), we obtain a palindrome (909900009909).

The spelling of 2010121220011 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred twenty thousand, eleven".