120102001020221 has 24 divisors (see below), whose sum is σ = 132527985408000. Its totient is φ = 107940960046080.

The previous prime is 120102001020217. The next prime is 120102001020241. The reversal of 120102001020221 is 122020100201021.

It is not a de Polignac number, because 120102001020221 - 2² = 120102001020217 is a prime.

It is a super-2 number, since 2×120102001020221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102001020196 and 120102001020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102001020241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57656900 + ... + 59703618.

It is an arithmetic number, because the mean of its divisors is an integer number (5521999392000).

Almost surely, 2^{120102001020221} is an apocalyptic number.

120102001020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120102001020221 is a deficient number, since it is larger than the sum of its proper divisors (12425984387779).

120102001020221 is a wasteful number, since it uses less digits than its factorization.

120102001020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047397 (or 2047288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120102001020221 its reverse (122020100201021), we get a palindrome (242122101221242).

The spelling of 120102001020221 in words is "one hundred twenty trillion, one hundred two billion, one million, twenty thousand, two hundred twenty-one".