120001021202221 has 8 divisors (see below), whose sum is σ = 120057343560000. Its totient is φ = 119944702103520.

The previous prime is 120001021202213. The next prime is 120001021202273. The reversal of 120001021202221 is 122202120100021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120001021202221 - 2³ = 120001021202213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001021202195 and 120001021202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001021203221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74473590 + ... + 76067848.

It is an arithmetic number, because the mean of its divisors is an integer number (15007167945000).

Almost surely, 2^{120001021202221} is an apocalyptic number.

It is an amenable number.

120001021202221 is a deficient number, since it is larger than the sum of its proper divisors (56322357779).

120001021202221 is a wasteful number, since it uses less digits than its factorization.

120001021202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629539.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120001021202221 its reverse (122202120100021), we get a palindrome (242203141302242).

The spelling of 120001021202221 in words is "one hundred twenty trillion, one billion, twenty-one million, two hundred two thousand, two hundred twenty-one".