2011100222021 has 8 divisors (see below), whose sum is σ = 2193952373184. Its totient is φ = 1828252213920.

The previous prime is 2011100222017. The next prime is 2011100222099. The reversal of 2011100222021 is 1202220011102.

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

It is not a de Polignac number, because 2011100222021 - 2² = 2011100222017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011100221987 and 2011100222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011100822021) 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, 26576 + ... + 2005718.

It is an arithmetic number, because the mean of its divisors is an integer number (274244046648).

Almost surely, 2^{2011100222021} is an apocalyptic number.

It is an amenable number.

2011100222021 is a deficient number, since it is larger than the sum of its proper divisors (182852151163).

2011100222021 is a wasteful number, since it uses less digits than its factorization.

2011100222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071531.

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

Adding to 2011100222021 its reverse (1202220011102), we get a palindrome (3213320233123).

The spelling of 2011100222021 in words is "two trillion, eleven billion, one hundred million, two hundred twenty-two thousand, twenty-one".