2011120020221 has 8 divisors (see below), whose sum is σ = 2175533767680. Its totient is φ = 1848093730992.

The previous prime is 2011120020197. The next prime is 2011120020229. The reversal of 2011120020221 is 1220200211102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011120020221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011120020196 and 2011120020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011120020229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346861541 + ... + 346867338.

It is an arithmetic number, because the mean of its divisors is an integer number (271941720960).

Almost surely, 2^{2011120020221} is an apocalyptic number.

It is an amenable number.

2011120020221 is a deficient number, since it is larger than the sum of its proper divisors (164413747459).

2011120020221 is a wasteful number, since it uses less digits than its factorization.

2011120020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693729115.

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

Adding to 2011120020221 its reverse (1220200211102), we get a palindrome (3231320231323).

The spelling of 2011120020221 in words is "two trillion, eleven billion, one hundred twenty million, twenty thousand, two hundred twenty-one".