21022021101110 has 16 divisors (see below), whose sum is σ = 37840312213056. Its totient is φ = 8408658611328.

The previous prime is 21022021101007. The next prime is 21022021101173. The reversal of 21022021101110 is 1110112022012.

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, 18138467 + ... + 19262606.

It is an arithmetic number, because the mean of its divisors is an integer number (2365019513316).

Almost surely, 2^{21022021101110} is an apocalyptic number.

21022021101110 is a deficient number, since it is larger than the sum of its proper divisors (16818291111946).

21022021101110 is a wasteful number, since it uses less digits than its factorization.

21022021101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37457287.

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

Adding to 21022021101110 its reverse (1110112022012), we get a palindrome (22132133123122).

The spelling of 21022021101110 in words is "twenty-one trillion, twenty-two billion, twenty-one million, one hundred one thousand, one hundred ten".