211400221112030 has 32 divisors (see below), whose sum is σ = 381538126535040. Its totient is φ = 84333942594720.

The previous prime is 211400221112011. The next prime is 211400221112033. The reversal of 211400221112030 is 30211122004112.

It is a junction number, because it is equal to n+sod(n) for n = 211400221111993 and 211400221112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211400221112033) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 105931097 + ... + 107908283.

It is an arithmetic number, because the mean of its divisors is an integer number (11923066454220).

Almost surely, 2^{211400221112030} is an apocalyptic number.

211400221112030 is a deficient number, since it is larger than the sum of its proper divisors (170137905423010).

211400221112030 is a wasteful number, since it uses less digits than its factorization.

211400221112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005784.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211400221112030 its reverse (30211122004112), we get a palindrome (241611343116142).

The spelling of 211400221112030 in words is "two hundred eleven trillion, four hundred billion, two hundred twenty-one million, one hundred twelve thousand, thirty".