120102022221 has 4 divisors (see below), whose sum is σ = 160136029632. Its totient is φ = 80068014812.

The previous prime is 120102022217. The next prime is 120102022307. The reversal of 120102022221 is 122220201021.

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 120102022221 - 2² = 120102022217 is a prime.

It is a super-3 number, since 3×120102022221³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120102022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102023221) 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, 20017003701 + ... + 20017003706.

It is an arithmetic number, because the mean of its divisors is an integer number (40034007408).

Almost surely, 2^120102022221 is an apocalyptic number.

It is an amenable number.

120102022221 is a deficient number, since it is larger than the sum of its proper divisors (40034007411).

120102022221 is an equidigital number, since it uses as much as digits as its factorization.

120102022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40034007410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120102022221 its reverse (122220201021), we get a palindrome (242322223242).

The spelling of 120102022221 in words is "one hundred twenty billion, one hundred two million, twenty-two thousand, two hundred twenty-one".