121020122002001 has 8 divisors (see below), whose sum is σ = 123947841336000. Its totient is φ = 118097552572272.

The previous prime is 121020122001851. The next prime is 121020122002097. The reversal of 121020122002001 is 100200221020121.

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 121020122002001 - 2¹⁰ = 121020122000977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020122002601) 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, 1287428501 + ... + 1287522498.

It is an arithmetic number, because the mean of its divisors is an integer number (15493480167000).

Almost surely, 2^{121020122002001} is an apocalyptic number.

It is an amenable number.

121020122002001 is a deficient number, since it is larger than the sum of its proper divisors (2927719333999).

121020122002001 is a wasteful number, since it uses less digits than its factorization.

121020122002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574952135.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121020122002001 its reverse (100200221020121), we get a palindrome (221220343022122).

The spelling of 121020122002001 in words is "one hundred twenty-one trillion, twenty billion, one hundred twenty-two million, two thousand, one".