10121220002101 has 8 divisors (see below), whose sum is σ = 10917732191744. Its totient is φ = 9327273070320.

The previous prime is 10121220002063. The next prime is 10121220002107. The reversal of 10121220002101 is 10120002212101.

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 10121220002101 - 2¹⁹ = 10121219477813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121220002107) 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, 641306265 + ... + 641322046.

It is an arithmetic number, because the mean of its divisors is an integer number (1364716523968).

Almost surely, 2^{10121220002101} is an apocalyptic number.

It is an amenable number.

10121220002101 is a deficient number, since it is larger than the sum of its proper divisors (796512189643).

10121220002101 is a wasteful number, since it uses less digits than its factorization.

10121220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282628931.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121220002101 its reverse (10120002212101), we get a palindrome (20241222214202).

The spelling of 10121220002101 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, two thousand, one hundred one".