120221020101 has 16 divisors (see below), whose sum is σ = 197285777024. Its totient is φ = 63413285184.

The previous prime is 120221020099. The next prime is 120221020133. The reversal of 120221020101 is 101020122021.

It is not a de Polignac number, because 120221020101 - 2¹ = 120221020099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221020181) 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, 220184746 + ... + 220185291.

It is an arithmetic number, because the mean of its divisors is an integer number (12330361064).

Almost surely, 2^120221020101 is an apocalyptic number.

It is an amenable number.

120221020101 is a deficient number, since it is larger than the sum of its proper divisors (77064756923).

120221020101 is a wasteful number, since it uses less digits than its factorization.

120221020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440370060.

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

Adding to 120221020101 its reverse (101020122021), we get a palindrome (221241142122).

The spelling of 120221020101 in words is "one hundred twenty billion, two hundred twenty-one million, twenty thousand, one hundred one".