10121221221101 has 8 divisors (see below), whose sum is σ = 10194113092800. Its totient is φ = 10048330454400.

The previous prime is 10121221221053. The next prime is 10121221221119. The reversal of 10121221221101 is 10112212212101.

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 10121221221101 - 2⁶ = 10121221221037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121221221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121221221161) 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, 30044285 + ... + 30379293.

It is an arithmetic number, because the mean of its divisors is an integer number (1274264136600).

Almost surely, 2^{10121221221101} is an apocalyptic number.

It is an amenable number.

10121221221101 is a deficient number, since it is larger than the sum of its proper divisors (72891871699).

10121221221101 is a wasteful number, since it uses less digits than its factorization.

10121221221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552499.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10121221221101 its reverse (10112212212101), we get a palindrome (20233433433202).

The spelling of 10121221221101 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred one".