211021211022112 has 12 divisors (see below), whose sum is σ = 415448009199846. Its totient is φ = 105510605511040.

The previous prime is 211021211022107. The next prime is 211021211022133. The reversal of 211021211022112 is 211220112120112.

It is a happy number.

211021211022112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 208656984961296 + 2364226060816 = 14444964^2 + 1537604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211021211022112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3297206422189 + ... + 3297206422252.

Almost surely, 2^{211021211022112} is an apocalyptic number.

It is an amenable number.

211021211022112 is a deficient number, since it is larger than the sum of its proper divisors (204426798177734).

211021211022112 is an equidigital number, since it uses as much as digits as its factorization.

211021211022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594412844451 (or 6594412844443 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211021211022112 its reverse (211220112120112), we get a palindrome (422241323142224).

The spelling of 211021211022112 in words is "two hundred eleven trillion, twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred twelve".