120000002122021 has 8 divisors (see below), whose sum is σ = 137142974098944. Its totient is φ = 102857058777840.

The previous prime is 120000002122003. The next prime is 120000002122037. The reversal of 120000002122021 is 120221200000021.

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 120000002122021 - 2¹¹ = 120000002119973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000002121992 and 120000002122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000002122321) 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, 2733891 + ... + 15731311.

It is an arithmetic number, because the mean of its divisors is an integer number (17142871762368).

Almost surely, 2^{120000002122021} is an apocalyptic number.

It is an amenable number.

120000002122021 is a deficient number, since it is larger than the sum of its proper divisors (17142971976923).

120000002122021 is a wasteful number, since it uses less digits than its factorization.

120000002122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316371.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120000002122021 its reverse (120221200000021), we get a palindrome (240221202122042).

The spelling of 120000002122021 in words is "one hundred twenty trillion, two million, one hundred twenty-two thousand, twenty-one".