21120202011110 has 8 divisors (see below), whose sum is σ = 38016363620016. Its totient is φ = 8448080804440.

The previous prime is 21120202011071. The next prime is 21120202011121. The reversal of 21120202011110 is 1111020202112.

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

It is a congruent number.

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, 1056010100546 + ... + 1056010100565.

It is an arithmetic number, because the mean of its divisors is an integer number (4752045452502).

Almost surely, 2^{21120202011110} is an apocalyptic number.

21120202011110 is a deficient number, since it is larger than the sum of its proper divisors (16896161608906).

21120202011110 is a wasteful number, since it uses less digits than its factorization.

21120202011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112020201118.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21120202011110 its reverse (1111020202112), we get a palindrome (22231222213222).

The spelling of 21120202011110 in words is "twenty-one trillion, one hundred twenty billion, two hundred two million, eleven thousand, one hundred ten".