120669010221 has 16 divisors (see below), whose sum is σ = 162112996800. Its totient is φ = 79836456960.

The previous prime is 120669010219. The next prime is 120669010229. The reversal of 120669010221 is 122010966021.

It is not a de Polignac number, because 120669010221 - 2¹ = 120669010219 is a prime.

It is a super-2 number, since 2×120669010221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120669010229) 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, 398326 + ... + 632456.

It is an arithmetic number, because the mean of its divisors is an integer number (10132062300).

Almost surely, 2^120669010221 is an apocalyptic number.

It is an amenable number.

120669010221 is a deficient number, since it is larger than the sum of its proper divisors (41443986579).

120669010221 is a wasteful number, since it uses less digits than its factorization.

120669010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235436.

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 120669010221 its reverse (122010966021), we get a palindrome (242679976242).

The spelling of 120669010221 in words is "one hundred twenty billion, six hundred sixty-nine million, ten thousand, two hundred twenty-one".