2011200212021 has 32 divisors (see below), whose sum is σ = 2793468384000. Its totient is φ = 1396734151680.

The previous prime is 2011200211931. The next prime is 2011200212027. The reversal of 2011200212021 is 1202120021102.

It is a de Polignac number, because none of the positive numbers 2^k-2011200212021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011200211987 and 2011200212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011200212027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34612196 + ... + 34670253.

It is an arithmetic number, because the mean of its divisors is an integer number (87295887000).

Almost surely, 2^{2011200212021} is an apocalyptic number.

It is an amenable number.

2011200212021 is a deficient number, since it is larger than the sum of its proper divisors (782268171979).

2011200212021 is a wasteful number, since it uses less digits than its factorization.

2011200212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69282509.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011200212021 its reverse (1202120021102), we get a palindrome (3213320233123).

The spelling of 2011200212021 in words is "two trillion, eleven billion, two hundred million, two hundred twelve thousand, twenty-one".