2010111011021 has 4 divisors (see below), whose sum is σ = 2020314620412. Its totient is φ = 1999907401632.

The previous prime is 2010111011003. The next prime is 2010111011023. The reversal of 2010111011021 is 1201101110102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 960623452996 + 1049487558025 = 980114^2 + 1024445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010111011021 - 2¹⁴ = 2010110994637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010111010993 and 2010111011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010111011023) 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, 5101804400 + ... + 5101804793.

It is an arithmetic number, because the mean of its divisors is an integer number (505078655103).

Almost surely, 2^{2010111011021} is an apocalyptic number.

It is an amenable number.

2010111011021 is a deficient number, since it is larger than the sum of its proper divisors (10203609391).

2010111011021 is a wasteful number, since it uses less digits than its factorization.

2010111011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203609390.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2010111011021 its reverse (1201101110102), we get a palindrome (3211212121123).

The spelling of 2010111011021 in words is "two trillion, ten billion, one hundred eleven million, eleven thousand, twenty-one".