120611221 has 4 divisors (see below), whose sum is σ = 126959200. Its totient is φ = 114263244.

The previous prime is 120611219. The next prime is 120611269. The reversal of 120611221 is 122116021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120611221 - 2¹ = 120611219 is a prime.

It is a super-2 number, since 2×120611221² = 29094133262221682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120611195 and 120611204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120611291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173961 + ... + 3173998.

It is an arithmetic number, because the mean of its divisors is an integer number (31739800).

Almost surely, 2^120611221 is an apocalyptic number.

It is an amenable number.

120611221 is a deficient number, since it is larger than the sum of its proper divisors (6347979).

120611221 is an equidigital number, since it uses as much as digits as its factorization.

120611221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347978.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 120611221 is about 10982.3140093516. The cubic root of 120611221 is about 494.0784418154.

Adding to 120611221 its reverse (122116021), we get a palindrome (242727242).

The spelling of 120611221 in words is "one hundred twenty million, six hundred eleven thousand, two hundred twenty-one".