121100102211001 has 8 divisors (see below), whose sum is σ = 123725068145280. Its totient is φ = 118477151610768.

The previous prime is 121100102210999. The next prime is 121100102211019. The reversal of 121100102211001 is 100112201001121.

It is a happy number.

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 121100102211001 - 2¹ = 121100102210999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100102211031) 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, 503712031 + ... + 503952388.

It is an arithmetic number, because the mean of its divisors is an integer number (15465633518160).

Almost surely, 2^{121100102211001} is an apocalyptic number.

It is an amenable number.

121100102211001 is a deficient number, since it is larger than the sum of its proper divisors (2624965934279).

121100102211001 is a wasteful number, since it uses less digits than its factorization.

121100102211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007667023.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121100102211001 its reverse (100112201001121), we get a palindrome (221212303212122).

The spelling of 121100102211001 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, two hundred eleven thousand, one".