2011112120221 has 8 divisors (see below), whose sum is σ = 2023726773600. Its totient is φ = 1998500839632.

The previous prime is 2011112120191. The next prime is 2011112120233. The reversal of 2011112120221 is 1220212111102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011112120221 - 2⁷ = 2011112120093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011112120195 and 2011112120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011112120261) 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, 358446 + ... + 2037328.

It is an arithmetic number, because the mean of its divisors is an integer number (252965846700).

Almost surely, 2^{2011112120221} is an apocalyptic number.

It is an amenable number.

2011112120221 is a deficient number, since it is larger than the sum of its proper divisors (12614653379).

2011112120221 is a wasteful number, since it uses less digits than its factorization.

2011112120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686395.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011112120221 its reverse (1220212111102), we get a palindrome (3231324231323).

The spelling of 2011112120221 in words is "two trillion, eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".