10121010221101 has 8 divisors (see below), whose sum is σ = 11473209967520. Its totient is φ = 8850761974512.

The previous prime is 10121010221081. The next prime is 10121010221107. The reversal of 10121010221101 is 10112201012101.

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 10121010221101 - 2⁹ = 10121010220589 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 (10121010221107) 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, 20487874695 + ... + 20487875188.

It is an arithmetic number, because the mean of its divisors is an integer number (1434151245940).

Almost surely, 2^{10121010221101} is an apocalyptic number.

It is an amenable number.

10121010221101 is a deficient number, since it is larger than the sum of its proper divisors (1352199746419).

10121010221101 is a wasteful number, since it uses less digits than its factorization.

10121010221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40975749915.

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

Adding to 10121010221101 its reverse (10112201012101), we get a palindrome (20233211233202).

The spelling of 10121010221101 in words is "ten trillion, one hundred twenty-one billion, ten million, two hundred twenty-one thousand, one hundred one".