10101220023021 has 8 divisors (see below), whose sum is σ = 13470297899520. Its totient is φ = 6733144414272.

The previous prime is 10101220023001. The next prime is 10101220023143. The reversal of 10101220023021 is 12032002210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10101220023021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220023001) 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, 250543420 + ... + 250583733.

It is an arithmetic number, because the mean of its divisors is an integer number (1683787237440).

Almost surely, 2^{10101220023021} is an apocalyptic number.

It is an amenable number.

10101220023021 is a deficient number, since it is larger than the sum of its proper divisors (3369077876499).

10101220023021 is an equidigital number, since it uses as much as digits as its factorization.

10101220023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501133875.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10101220023021 its reverse (12032002210101), we get a palindrome (22133222233122).

The spelling of 10101220023021 in words is "ten trillion, one hundred one billion, two hundred twenty million, twenty-three thousand, twenty-one".