120102010221 has 16 divisors (see below), whose sum is σ = 163100347200. Its totient is φ = 78598785408.

The previous prime is 120102010211. The next prime is 120102010253. The reversal of 120102010221 is 122010201021.

It is not a de Polignac number, because 120102010221 - 2⁶ = 120102010157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120102010197 and 120102010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580946 + ... + 1655171.

It is an arithmetic number, because the mean of its divisors is an integer number (10193771700).

Almost surely, 2^120102010221 is an apocalyptic number.

It is an amenable number.

120102010221 is a deficient number, since it is larger than the sum of its proper divisors (42998336979).

120102010221 is a wasteful number, since it uses less digits than its factorization.

120102010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236348.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120102010221 its reverse (122010201021), we get a palindrome (242112211242).

The spelling of 120102010221 in words is "one hundred twenty billion, one hundred two million, ten thousand, two hundred twenty-one".