21221102101094 has 16 divisors (see below), whose sum is σ = 36380701536000. Its totient is φ = 9094340702664.

The previous prime is 21221102101079. The next prime is 21221102101189. The reversal of 21221102101094 is 49010120112212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34462304 + ... + 35072675.

It is an arithmetic number, because the mean of its divisors is an integer number (2273793846000).

Almost surely, 2^{21221102101094} is an apocalyptic number.

21221102101094 is a deficient number, since it is larger than the sum of its proper divisors (15159599434906).

21221102101094 is a wasteful number, since it uses less digits than its factorization.

21221102101094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69556787.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 21221102101094 in words is "twenty-one trillion, two hundred twenty-one billion, one hundred two million, one hundred one thousand, ninety-four".