10021200101021 has 8 divisors (see below), whose sum is σ = 10040249868480. Its totient is φ = 10002167757792.

The previous prime is 10021200100979. The next prime is 10021200101093. The reversal of 10021200101021 is 12010100212001.

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 10021200101021 - 2⁶ = 10021200100957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021200100993 and 10021200101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021200401021) 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, 3204416 + ... + 5505513.

It is an arithmetic number, because the mean of its divisors is an integer number (1255031233560).

Almost surely, 2^{10021200101021} is an apocalyptic number.

It is an amenable number.

10021200101021 is a deficient number, since it is larger than the sum of its proper divisors (19049767459).

10021200101021 is an equidigital number, since it uses as much as digits as its factorization.

10021200101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712115.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021200101021 its reverse (12010100212001), we get a palindrome (22031300313022).

The spelling of 10021200101021 in words is "ten trillion, twenty-one billion, two hundred million, one hundred one thousand, twenty-one".