120211011221001 has 8 divisors (see below), whose sum is σ = 160331171542944. Its totient is φ = 80115762523200.

The previous prime is 120211011220987. The next prime is 120211011221033. The reversal of 120211011221001 is 100122110112021.

It is a happy number.

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

It is not a de Polignac number, because 120211011221001 - 2¹¹ = 120211011218953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120211011221101) 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, 6227894775 + ... + 6227914076.

It is an arithmetic number, because the mean of its divisors is an integer number (20041396442868).

Almost surely, 2^{120211011221001} is an apocalyptic number.

It is an amenable number.

120211011221001 is a deficient number, since it is larger than the sum of its proper divisors (40120160321943).

120211011221001 is a wasteful number, since it uses less digits than its factorization.

120211011221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455812071.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120211011221001 its reverse (100122110112021), we get a palindrome (220333121333022).

The spelling of 120211011221001 in words is "one hundred twenty trillion, two hundred eleven billion, eleven million, two hundred twenty-one thousand, one".