2011100221202 has 4 divisors (see below), whose sum is σ = 3016650331806. Its totient is φ = 1005550110600.

The previous prime is 2011100221199. The next prime is 2011100221303. The reversal of 2011100221202 is 2021220011102.

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

It can be written as a sum of positive squares in only one way, i.e., 1793646811441 + 217453409761 = 1339271^2 + 466319^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502775055299 + ... + 502775055302.

Almost surely, 2^{2011100221202} is an apocalyptic number.

2011100221202 is a deficient number, since it is larger than the sum of its proper divisors (1005550110604).

2011100221202 is a wasteful number, since it uses less digits than its factorization.

2011100221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005550110603.

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

Adding to 2011100221202 its reverse (2021220011102), we get a palindrome (4032320232304).

The spelling of 2011100221202 in words is "two trillion, eleven billion, one hundred million, two hundred twenty-one thousand, two hundred two".