10011021221101 has 8 divisors (see below), whose sum is σ = 10039400693280. Its totient is φ = 9982663115568.

The previous prime is 10011021220987. The next prime is 10011021221143. The reversal of 10011021221101 is 10112212011001.

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 10011021221101 - 2²¹ = 10011019123949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011021221171) 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, 4403031 + ... + 6277636.

It is an arithmetic number, because the mean of its divisors is an integer number (1254925086660).

Almost surely, 2^{10011021221101} is an apocalyptic number.

It is an amenable number.

10011021221101 is a deficient number, since it is larger than the sum of its proper divisors (28379472179).

10011021221101 is a wasteful number, since it uses less digits than its factorization.

10011021221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10683323.

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

Adding to 10011021221101 its reverse (10112212011001), we get a palindrome (20123233232102).

The spelling of 10011021221101 in words is "ten trillion, eleven billion, twenty-one million, two hundred twenty-one thousand, one hundred one".