121021000320101 has 8 divisors (see below), whose sum is σ = 139398767523840. Its totient is φ = 102915496334448.

The previous prime is 121021000320047. The next prime is 121021000320109. The reversal of 121021000320101 is 101023000120121.

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

It is not a de Polignac number, because 121021000320101 - 2²² = 121020996125797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021000320109) 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, 68065803566 + ... + 68065805343.

It is an arithmetic number, because the mean of its divisors is an integer number (17424845940480).

Almost surely, 2^{121021000320101} is an apocalyptic number.

It is an amenable number.

121021000320101 is a deficient number, since it is larger than the sum of its proper divisors (18377767203739).

121021000320101 is a wasteful number, since it uses less digits than its factorization.

121021000320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136131609043.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121021000320101 its reverse (101023000120121), we get a palindrome (222044000440222).

The spelling of 121021000320101 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty thousand, one hundred one".