121210102121101 has 8 divisors (see below), whose sum is σ = 139897373877504. Its totient is φ = 102865716085200.

The previous prime is 121210102121071. The next prime is 121210102121167. The reversal of 121210102121101 is 101121201012121.

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 121210102121101 - 2¹⁹ = 121210101596813 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 (121210102121191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85721429365 + ... + 85721430778.

It is an arithmetic number, because the mean of its divisors is an integer number (17487171734688).

Almost surely, 2^{121210102121101} is an apocalyptic number.

It is an amenable number.

121210102121101 is a deficient number, since it is larger than the sum of its proper divisors (18687271756403).

121210102121101 is a wasteful number, since it uses less digits than its factorization.

121210102121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171442860251.

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

Adding to 121210102121101 its reverse (101121201012121), we get a palindrome (222331303133222).

The spelling of 121210102121101 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred two million, one hundred twenty-one thousand, one hundred one".