10221012010111 has 12 divisors (see below), whose sum is σ = 11910354847968. Its totient is φ = 8745683933952.

The previous prime is 10221012010091. The next prime is 10221012010159. The reversal of 10221012010111 is 11101021012201.

It is a happy number.

It is not a de Polignac number, because 10221012010111 - 2²⁵ = 10220978455679 is a prime.

It is a super-3 number, since 3×10221012010111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221012010091 and 10221012010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221012050111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180727431 + ... + 180783976.

It is an arithmetic number, because the mean of its divisors is an integer number (992529570664).

Almost surely, 2^{10221012010111} is an apocalyptic number.

10221012010111 is a deficient number, since it is larger than the sum of its proper divisors (1689342837857).

10221012010111 is an equidigital number, since it uses as much as digits as its factorization.

10221012010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361511998 (or 361511991 counting only the distinct ones).

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

Adding to 10221012010111 its reverse (11101021012201), we get a palindrome (21322033022312).

The spelling of 10221012010111 in words is "ten trillion, two hundred twenty-one billion, twelve million, ten thousand, one hundred eleven".