121201001211101 has 8 divisors (see below), whose sum is σ = 138515566055424. Its totient is φ = 103886470391760.

The previous prime is 121201001211091. The next prime is 121201001211113. The reversal of 121201001211101 is 101112100102121.

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

It is not a de Polignac number, because 121201001211101 - 2¹⁸ = 121201000948957 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 (121201001411101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352010 + ... + 15573243.

It is an arithmetic number, because the mean of its divisors is an integer number (17314445756928).

Almost surely, 2^{121201001211101} is an apocalyptic number.

It is an amenable number.

121201001211101 is a deficient number, since it is larger than the sum of its proper divisors (17314564844323).

121201001211101 is a wasteful number, since it uses less digits than its factorization.

121201001211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012491.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121201001211101 its reverse (101112100102121), we get a palindrome (222313101313222).

The spelling of 121201001211101 in words is "one hundred twenty-one trillion, two hundred one billion, one million, two hundred eleven thousand, one hundred one".