10021220120011 has 8 divisors (see below), whose sum is σ = 10061402045184. Its totient is φ = 9981040233000.

The previous prime is 10021220119997. The next prime is 10021220120027. The reversal of 10021220120011 is 11002102212001.

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 10021220120011 - 2⁹ = 10021220119499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021220119973 and 10021220120000.

It is not an unprimeable number, because it can be changed into a prime (10021220120711) 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, 9757570 + ... + 10735576.

It is an arithmetic number, because the mean of its divisors is an integer number (1257675255648).

Almost surely, 2^{10021220120011} is an apocalyptic number.

10021220120011 is a deficient number, since it is larger than the sum of its proper divisors (40181925173).

10021220120011 is an equidigital number, since it uses as much as digits as its factorization.

10021220120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019081.

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

Adding to 10021220120011 its reverse (11002102212001), we get a palindrome (21023322332012).

The spelling of 10021220120011 in words is "ten trillion, twenty-one billion, two hundred twenty million, one hundred twenty thousand, eleven".