21220122102196 has 12 divisors (see below), whose sum is σ = 37266433517152. Its totient is φ = 10572569668728.

The previous prime is 21220122102173. The next prime is 21220122102227. The reversal of 21220122102196 is 69120122102212.

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, 9372844320 + ... + 9372846583.

Almost surely, 2^{21220122102196} is an apocalyptic number.

It is an amenable number.

21220122102196 is a deficient number, since it is larger than the sum of its proper divisors (16046311414956).

21220122102196 is a wasteful number, since it uses less digits than its factorization.

21220122102196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18745691190 (or 18745691188 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 21220122102196 in words is "twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, one hundred ninety-six".