221202122010120 has 64 divisors (see below), whose sum is σ = 737340406704000. Its totient is φ = 58987232535744.

The previous prime is 221202122010029. The next prime is 221202122010131. The reversal of 221202122010120 is 21010221202122.

It is a happy number.

221202122010120 is a `hidden beast` number, since 221 + 20 + 212 + 201 + 0 + 12 + 0 = 666.

221202122010120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 221202122010093 and 221202122010102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102408388740 + ... + 102408390899.

It is an arithmetic number, because the mean of its divisors is an integer number (11520943854750).

Almost surely, 2^{221202122010120} is an apocalyptic number.

221202122010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221202122010120 is an abundant number, since it is smaller than the sum of its proper divisors (516138284693880).

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

221202122010120 is a wasteful number, since it uses less digits than its factorization.

221202122010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204816779659 (or 204816779649 counting only the distinct ones).

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

Adding to 221202122010120 its reverse (21010221202122), we get a palindrome (242212343212242).

The spelling of 221202122010120 in words is "two hundred twenty-one trillion, two hundred two billion, one hundred twenty-two million, ten thousand, one hundred twenty".