10122011020021 has 8 divisors (see below), whose sum is σ = 10137071328480. Its totient is φ = 10106951415792.

The previous prime is 10122011020007. The next prime is 10122011020057. The reversal of 10122011020021 is 12002011022101.

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 10122011020021 - 2¹³ = 10122011011829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122011019983 and 10122011020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122011020421) 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, 33317835 + ... + 33620263.

It is an arithmetic number, because the mean of its divisors is an integer number (1267133916060).

Almost surely, 2^{10122011020021} is an apocalyptic number.

It is an amenable number.

10122011020021 is a deficient number, since it is larger than the sum of its proper divisors (15060308459).

10122011020021 is an equidigital number, since it uses as much as digits as its factorization.

10122011020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352115.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10122011020021 its reverse (12002011022101), we get a palindrome (22124022042122).

The spelling of 10122011020021 in words is "ten trillion, one hundred twenty-two billion, eleven million, twenty thousand, twenty-one".