10100021210121 has 8 divisors (see below), whose sum is σ = 14258853473184. Its totient is φ = 6337268210240.

The previous prime is 10100021210119. The next prime is 10100021210159. The reversal of 10100021210121 is 12101212000101.

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 10100021210121 - 2¹ = 10100021210119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10100021210097 and 10100021210106.

It is not an unprimeable number, because it can be changed into a prime (10100021210821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99019815735 + ... + 99019815836.

It is an arithmetic number, because the mean of its divisors is an integer number (1782356684148).

Almost surely, 2^{10100021210121} is an apocalyptic number.

It is an amenable number.

10100021210121 is a deficient number, since it is larger than the sum of its proper divisors (4158832263063).

10100021210121 is a wasteful number, since it uses less digits than its factorization.

10100021210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198039631591.

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

Adding to 10100021210121 its reverse (12101212000101), we get a palindrome (22201233210222).

The spelling of 10100021210121 in words is "ten trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred twenty-one".