21112343441102 has 16 divisors (see below), whose sum is σ = 32012317925280. Its totient is φ = 10441688644608.

The previous prime is 21112343441087. The next prime is 21112343441143. The reversal of 21112343441102 is 20114434321112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29102027 + ... + 29818662.

It is an arithmetic number, because the mean of its divisors is an integer number (2000769870330).

Almost surely, 2^{21112343441102} is an apocalyptic number.

21112343441102 is a deficient number, since it is larger than the sum of its proper divisors (10899974484178).

21112343441102 is a wasteful number, since it uses less digits than its factorization.

21112343441102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58922635.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 21112343441102 its reverse (20114434321112), we get a palindrome (41226777762214).

The spelling of 21112343441102 in words is "twenty-one trillion, one hundred twelve billion, three hundred forty-three million, four hundred forty-one thousand, one hundred two".