12100121021001 has 8 divisors (see below), whose sum is σ = 17374532748160. Its totient is φ = 7446228320592.

The previous prime is 12100121020987. The next prime is 12100121021011. The reversal of 12100121021001 is 10012012100121.

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

It is not a de Polignac number, because 12100121021001 - 2⁷ = 12100121020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100121021011) 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, 155129756641 + ... + 155129756718.

It is an arithmetic number, because the mean of its divisors is an integer number (2171816593520).

Almost surely, 2^{12100121021001} is an apocalyptic number.

It is an amenable number.

12100121021001 is a deficient number, since it is larger than the sum of its proper divisors (5274411727159).

12100121021001 is a wasteful number, since it uses less digits than its factorization.

12100121021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310259513375.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12100121021001 its reverse (10012012100121), we get a palindrome (22112133121122).

The spelling of 12100121021001 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, twenty-one thousand, one".