10021220101 has 8 divisors (see below), whose sum is σ = 10129202208. Its totient is φ = 9913410000.

The previous prime is 10021220093. The next prime is 10021220107. The reversal of 10021220101 is 10102212001.

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 10021220101 - 2³ = 10021220093 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 (10021220107) 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, 75906 + ... + 160636.

It is an arithmetic number, because the mean of its divisors is an integer number (1266150276).

Almost surely, 2^10021220101 is an apocalyptic number.

It is an amenable number.

10021220101 is a deficient number, since it is larger than the sum of its proper divisors (107982107).

10021220101 is a wasteful number, since it uses less digits than its factorization.

10021220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10021220101 its reverse (10102212001), we get a palindrome (20123432102).

The spelling of 10021220101 in words is "ten billion, twenty-one million, two hundred twenty thousand, one hundred one".