120102201011221 has 24 divisors (see below), whose sum is σ = 142510567401216. Its totient is φ = 100333112480640.

The previous prime is 120102201011189. The next prime is 120102201011291. The reversal of 120102201011221 is 122110102201021.

It is not a de Polignac number, because 120102201011221 - 2⁵ = 120102201011189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102201011195 and 120102201011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102201011291) 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, 144441520 + ... + 145270633.

It is an arithmetic number, because the mean of its divisors is an integer number (5937940308384).

Almost surely, 2^{120102201011221} is an apocalyptic number.

120102201011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120102201011221 is a deficient number, since it is larger than the sum of its proper divisors (22408366389995).

120102201011221 is a wasteful number, since it uses less digits than its factorization.

120102201011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289712413 (or 289712400 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120102201011221 its reverse (122110102201021), we get a palindrome (242212303212242).

The spelling of 120102201011221 in words is "one hundred twenty trillion, one hundred two billion, two hundred one million, eleven thousand, two hundred twenty-one".