10210021120111 has 4 divisors (see below), whose sum is σ = 10226201819824. Its totient is φ = 10193840420400.

The previous prime is 10210021120063. The next prime is 10210021120127. The reversal of 10210021120111 is 11102112001201.

It is a happy number.

10210021120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10210021120111 - 2¹⁷ = 10210020989039 is a prime.

It is a super-2 number, since 2×10210021120111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210021120091 and 10210021120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210021124111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8090348910 + ... + 8090350171.

It is an arithmetic number, because the mean of its divisors is an integer number (2556550454956).

Almost surely, 2^{10210021120111} is an apocalyptic number.

10210021120111 is a deficient number, since it is larger than the sum of its proper divisors (16180699713).

10210021120111 is an equidigital number, since it uses as much as digits as its factorization.

10210021120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180699712.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10210021120111 its reverse (11102112001201), we get a palindrome (21312133121312).

The spelling of 10210021120111 in words is "ten trillion, two hundred ten billion, twenty-one million, one hundred twenty thousand, one hundred eleven".