21121222010094 has 24 divisors (see below), whose sum is σ = 45762756039000. Its totient is φ = 7040390667408.

The previous prime is 21121222010087. The next prime is 21121222010113. The reversal of 21121222010094 is 49001022212112.

21121222010094 is a `hidden beast` number, since 211 + 212 + 220 + 10 + 0 + 9 + 4 = 666.

It is a super-2 number, since 2×21121222010094² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8221624 + ... + 10480340.

It is an arithmetic number, because the mean of its divisors is an integer number (1906781501625).

Almost surely, 2^{21121222010094} is an apocalyptic number.

21121222010094 is an abundant number, since it is smaller than the sum of its proper divisors (24641534028906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21121222010094 is a wasteful number, since it uses less digits than its factorization.

21121222010094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778224 (or 2778221 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 21121222010094 in words is "twenty-one trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, ninety-four".