120221103121 has 4 divisors (see below), whose sum is σ = 137395546432. Its totient is φ = 103046659812.

The previous prime is 120221103113. The next prime is 120221103133. The reversal of 120221103121 is 121301122021.

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 120221103121 - 2³ = 120221103113 is a prime.

It is a super-2 number, since 2×120221103121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221103095 and 120221103104.

It is not an unprimeable number, because it can be changed into a prime (120221103151) 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, 8587221645 + ... + 8587221658.

It is an arithmetic number, because the mean of its divisors is an integer number (34348886608).

Almost surely, 2^120221103121 is an apocalyptic number.

It is an amenable number.

120221103121 is a deficient number, since it is larger than the sum of its proper divisors (17174443311).

120221103121 is an equidigital number, since it uses as much as digits as its factorization.

120221103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174443310.

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

Adding to 120221103121 its reverse (121301122021), we get a palindrome (241522225142).

The spelling of 120221103121 in words is "one hundred twenty billion, two hundred twenty-one million, one hundred three thousand, one hundred twenty-one".