120000010221 has 64 divisors (see below), whose sum is σ = 218955018240. Its totient is φ = 63252861120.

The previous prime is 120000010217. The next prime is 120000010231. The reversal of 120000010221 is 122010000021.

It is not a de Polignac number, because 120000010221 - 2² = 120000010217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000010231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3696366 + ... + 3728688.

It is an arithmetic number, because the mean of its divisors is an integer number (3421172160).

Almost surely, 2^120000010221 is an apocalyptic number.

It is an amenable number.

120000010221 is a deficient number, since it is larger than the sum of its proper divisors (98955008019).

120000010221 is a wasteful number, since it uses less digits than its factorization.

120000010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33863 (or 33857 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000010221 its reverse (122010000021), we get a palindrome (242010010242).

The spelling of 120000010221 in words is "one hundred twenty billion, ten thousand, two hundred twenty-one".