121102100101 has 8 divisors (see below), whose sum is σ = 122655766464. Its totient is φ = 119550686400.

The previous prime is 121102100089. The next prime is 121102100143. The reversal of 121102100101 is 101001201121.

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 121102100101 - 2²¹ = 121100002949 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 (121102101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454825 + ... + 670126.

It is an arithmetic number, because the mean of its divisors is an integer number (15331970808).

Almost surely, 2^121102100101 is an apocalyptic number.

It is an amenable number.

121102100101 is a deficient number, since it is larger than the sum of its proper divisors (1553666363).

121102100101 is a wasteful number, since it uses less digits than its factorization.

121102100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126331.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121102100101 its reverse (101001201121), we get a palindrome (222103301222).

The spelling of 121102100101 in words is "one hundred twenty-one billion, one hundred two million, one hundred thousand, one hundred one".