210111421102 has 16 divisors (see below), whose sum is σ = 343833507072. Its totient is φ = 95501075320.

The previous prime is 210111421097. The next prime is 210111421123. The reversal of 210111421102 is 201124111012.

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 in 7 ways as a sum of consecutive naturals, for example, 349563 + ... + 736489.

It is an arithmetic number, because the mean of its divisors is an integer number (21489594192).

Almost surely, 2^210111421102 is an apocalyptic number.

210111421102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210111421102 is a deficient number, since it is larger than the sum of its proper divisors (133722085970).

210111421102 is a wasteful number, since it uses less digits than its factorization.

210111421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411623.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210111421102 its reverse (201124111012), we get a palindrome (411235532114).

The spelling of 210111421102 in words is "two hundred ten billion, one hundred eleven million, four hundred twenty-one thousand, one hundred two".