10021112120021 has 8 divisors (see below), whose sum is σ = 10596675602688. Its totient is φ = 9461317500000.

The previous prime is 10021112119871. The next prime is 10021112120023. The reversal of 10021112120021 is 12002121112001.

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 10021112120021 - 2¹⁸ = 10021111857877 is a prime.

It is a super-2 number, since 2×10021112120021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021112119978 and 10021112120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021112120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942214355 + ... + 3942216896.

It is an arithmetic number, because the mean of its divisors is an integer number (1324584450336).

Almost surely, 2^{10021112120021} is an apocalyptic number.

It is an amenable number.

10021112120021 is a deficient number, since it is larger than the sum of its proper divisors (575563482667).

10021112120021 is an equidigital number, since it uses as much as digits as its factorization.

10021112120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884431323.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10021112120021 its reverse (12002121112001), we get a palindrome (22023233232022).

The spelling of 10021112120021 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred twenty thousand, twenty-one".