10211020110021 has 8 divisors (see below), whose sum is σ = 13616888361120. Its totient is φ = 6806249299472.

The previous prime is 10211020110017. The next prime is 10211020110059. The reversal of 10211020110021 is 12001102011201.

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 10211020110021 - 2² = 10211020110017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10211020109979 and 10211020110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211020110091) 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, 274338426 + ... + 274375643.

It is an arithmetic number, because the mean of its divisors is an integer number (1702111045140).

Almost surely, 2^{10211020110021} is an apocalyptic number.

It is an amenable number.

10211020110021 is a deficient number, since it is larger than the sum of its proper divisors (3405868251099).

10211020110021 is an equidigital number, since it uses as much as digits as its factorization.

10211020110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548720275.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10211020110021 its reverse (12001102011201), we get a palindrome (22212122121222).

The spelling of 10211020110021 in words is "ten trillion, two hundred eleven billion, twenty million, one hundred ten thousand, twenty-one".