211011002221202 has 8 divisors (see below), whose sum is σ = 316668019136700. Its totient is φ = 105454995842304.

The previous prime is 211011002221181. The next prime is 211011002221247. The reversal of 211011002221202 is 202122200110112.

It can be written as a sum of positive squares in 2 ways, for example, as 167985680543041 + 43025321678161 = 12960929^2 + 6559369^2 .

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

It is a super-2 number, since 2×211011002221202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25252628927 + ... + 25252637282.

Almost surely, 2^{211011002221202} is an apocalyptic number.

211011002221202 is a deficient number, since it is larger than the sum of its proper divisors (105657016915498).

211011002221202 is a wasteful number, since it uses less digits than its factorization.

211011002221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505268300.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211011002221202 its reverse (202122200110112), we get a palindrome (413133202331314).

The spelling of 211011002221202 in words is "two hundred eleven trillion, eleven billion, two million, two hundred twenty-one thousand, two hundred two".