20022121102104 has 144 divisors (see below), whose sum is σ = 60131896133400. Its totient is φ = 6013616125440.

The previous prime is 20022121102069. The next prime is 20022121102187. The reversal of 20022121102104 is 40120112122002.

20022121102104 is a `hidden beast` number, since 20 + 0 + 221 + 211 + 0 + 210 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9184674 + ... + 11153585.

Almost surely, 2^{20022121102104} is an apocalyptic number.

20022121102104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20022121102104 is an abundant number, since it is smaller than the sum of its proper divisors (40109775031296).

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

20022121102104 is a wasteful number, since it uses less digits than its factorization.

20022121102104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20338406 (or 20338388 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022121102104 its reverse (40120112122002), we get a palindrome (60142233224106).

The spelling of 20022121102104 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, one hundred four".