10121101020121 has 8 divisors (see below), whose sum is σ = 12456739717184. Its totient is φ = 8007904103760.

The previous prime is 10121101020089. The next prime is 10121101020131. The reversal of 10121101020121 is 12102010112101.

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 10121101020121 - 2⁵ = 10121101020089 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10121101020131) 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, 55610445075 + ... + 55610445256.

It is an arithmetic number, because the mean of its divisors is an integer number (1557092464648).

Almost surely, 2^{10121101020121} is an apocalyptic number.

It is an amenable number.

10121101020121 is a deficient number, since it is larger than the sum of its proper divisors (2335638697063).

10121101020121 is a wasteful number, since it uses less digits than its factorization.

10121101020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111220890351.

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

Adding to 10121101020121 its reverse (12102010112101), we get a palindrome (22223111132222).

The spelling of 10121101020121 in words is "ten trillion, one hundred twenty-one billion, one hundred one million, twenty thousand, one hundred twenty-one".