1000021202101 has 8 divisors (see below), whose sum is σ = 1009401588000. Its totient is φ = 990641453328.

The previous prime is 1000021201889. The next prime is 1000021202111. The reversal of 1000021202101 is 1012021200001.

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 1000021202101 - 2⁹ = 1000021201589 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 (1000021202111) 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, 3356775 + ... + 3642523.

It is an arithmetic number, because the mean of its divisors is an integer number (126175198500).

Almost surely, 2^{1000021202101} is an apocalyptic number.

It is an amenable number.

1000021202101 is a deficient number, since it is larger than the sum of its proper divisors (9380385899).

1000021202101 is a wasteful number, since it uses less digits than its factorization.

1000021202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318563.

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

Adding to 1000021202101 its reverse (1012021200001), we get a palindrome (2012042402102).

The spelling of 1000021202101 in words is "one trillion, twenty-one million, two hundred two thousand, one hundred one".