100121021001101 has 8 divisors (see below), whose sum is σ = 100233722824608. Its totient is φ = 100008373590000.

The previous prime is 100121021001061. The next prime is 100121021001107. The reversal of 100121021001101 is 101100120121001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121021001101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121021001107) 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, 9920390 + ... + 17281671.

It is an arithmetic number, because the mean of its divisors is an integer number (12529215353076).

Almost surely, 2^{100121021001101} is an apocalyptic number.

It is an amenable number.

100121021001101 is a deficient number, since it is larger than the sum of its proper divisors (112701823507).

100121021001101 is a wasteful number, since it uses less digits than its factorization.

100121021001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27206203.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100121021001101 its reverse (101100120121001), we get a palindrome (201221141122102).

The spelling of 100121021001101 in words is "one hundred trillion, one hundred twenty-one billion, twenty-one million, one thousand, one hundred one".