2011100221022 has 4 divisors (see below), whose sum is σ = 3016650331536. Its totient is φ = 1005550110510.

The previous prime is 2011100221001. The next prime is 2011100221061. The reversal of 2011100221022 is 2201220011102.

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

It is a junction number, because it is equal to n+sod(n) for n = 2011100220988 and 2011100221006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502775055254 + ... + 502775055257.

It is an arithmetic number, because the mean of its divisors is an integer number (754162582884).

Almost surely, 2^{2011100221022} is an apocalyptic number.

2011100221022 is a deficient number, since it is larger than the sum of its proper divisors (1005550110514).

2011100221022 is a wasteful number, since it uses less digits than its factorization.

2011100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005550110513.

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

Adding to 2011100221022 its reverse (2201220011102), we get a palindrome (4212320232124).

The spelling of 2011100221022 in words is "two trillion, eleven billion, one hundred million, two hundred twenty-one thousand, twenty-two".