120022010001221 has 4 divisors (see below), whose sum is σ = 120022045283712. Its totient is φ = 120021974718732.

The previous prime is 120022010001209. The next prime is 120022010001241. The reversal of 120022010001221 is 122100010220021.

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 120022010001221 - 2³⁰ = 120020936259397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120022010001196 and 120022010001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022010001241) 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, 11920181 + ... + 19548266.

It is an arithmetic number, because the mean of its divisors is an integer number (30005511320928).

Almost surely, 2^{120022010001221} is an apocalyptic number.

It is an amenable number.

120022010001221 is a deficient number, since it is larger than the sum of its proper divisors (35282491).

120022010001221 is an equidigital number, since it uses as much as digits as its factorization.

120022010001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35282490.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120022010001221 its reverse (122100010220021), we get a palindrome (242122020221242).

The spelling of 120022010001221 in words is "one hundred twenty trillion, twenty-two billion, ten million, one thousand, two hundred twenty-one".