121020011222001 has 8 divisors (see below), whose sum is σ = 161677028746560. Its totient is φ = 80521500589392.

The previous prime is 121020011221969. The next prime is 121020011222059. The reversal of 121020011222001 is 100222110020121.

121020011222001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 121020011222001 - 2⁵ = 121020011221969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020011221001) 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, 39626721205 + ... + 39626724258.

It is an arithmetic number, because the mean of its divisors is an integer number (20209628593320).

Almost surely, 2^{121020011222001} is an apocalyptic number.

It is an amenable number.

121020011222001 is a deficient number, since it is larger than the sum of its proper divisors (40657017524559).

121020011222001 is an equidigital number, since it uses as much as digits as its factorization.

121020011222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79253445975.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020011222001 its reverse (100222110020121), we get a palindrome (221242121242122).

The spelling of 121020011222001 in words is "one hundred twenty-one trillion, twenty billion, eleven million, two hundred twenty-two thousand, one".