21111033302110 has 128 divisors (see below), whose sum is σ = 39884445619200. Its totient is φ = 8034996372480.

The previous prime is 21111033302057. The next prime is 21111033302131. The reversal of 21111033302110 is 1120333011112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5719595365 + ... + 5719599055.

It is an arithmetic number, because the mean of its divisors is an integer number (311597231400).

Almost surely, 2^{21111033302110} is an apocalyptic number.

21111033302110 is a deficient number, since it is larger than the sum of its proper divisors (18773412317090).

21111033302110 is a wasteful number, since it uses less digits than its factorization.

21111033302110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21111033302110 its reverse (1120333011112), we get a palindrome (22231366313222).

The spelling of 21111033302110 in words is "twenty-one trillion, one hundred eleven billion, thirty-three million, three hundred two thousand, one hundred ten".