120121022001 has 8 divisors (see below), whose sum is σ = 160178947264. Its totient is φ = 80071889040.

The previous prime is 120121021927. The next prime is 120121022029. The reversal of 120121022001 is 100220121021.

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

It is not a de Polignac number, because 120121022001 - 2¹⁴ = 120121005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121022081) 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, 2166130 + ... + 2220891.

It is an arithmetic number, because the mean of its divisors is an integer number (20022368408).

Almost surely, 2^120121022001 is an apocalyptic number.

It is an amenable number.

120121022001 is a deficient number, since it is larger than the sum of its proper divisors (40057925263).

120121022001 is an equidigital number, since it uses as much as digits as its factorization.

120121022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396151.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120121022001 its reverse (100220121021), we get a palindrome (220341143022).

The spelling of 120121022001 in words is "one hundred twenty billion, one hundred twenty-one million, twenty-two thousand, one".