10121121010121 has 8 divisors (see below), whose sum is σ = 11047564826688. Its totient is φ = 9195734178000.

The previous prime is 10121121010111. The next prime is 10121121010129. The reversal of 10121121010121 is 12101012112101.

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 10121121010121 - 2⁴² = 5723074499017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121121010096 and 10121121010105.

It is not an unprimeable number, because it can be changed into a prime (10121121010129) 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, 264226085 + ... + 264264386.

It is an arithmetic number, because the mean of its divisors is an integer number (1380945603336).

Almost surely, 2^{10121121010121} is an apocalyptic number.

10121121010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10121121010121 is a deficient number, since it is larger than the sum of its proper divisors (926443816567).

10121121010121 is a wasteful number, since it uses less digits than its factorization.

10121121010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528492223.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121121010121 its reverse (12101012112101), we get a palindrome (22222133122222).

The spelling of 10121121010121 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-one million, ten thousand, one hundred twenty-one".