10221011020111 has 2 divisors, whose sum is σ = 10221011020112. Its totient is φ = 10221011020110.

The previous prime is 10221011020081. The next prime is 10221011020123. The reversal of 10221011020111 is 11102011012201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11102011012201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10221011020111 - 2⁵ = 10221011020079 is a prime.

It is a super-3 number, since 3×10221011020111³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221011020091 and 10221011020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221011020411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110505510055 + 5110505510056.

It is an arithmetic number, because the mean of its divisors is an integer number (5110505510056).

Almost surely, 2^{10221011020111} is an apocalyptic number.

10221011020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221011020111 is an equidigital number, since it uses as much as digits as its factorization.

10221011020111 is an evil number, because the sum of its binary digits is even.

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

Adding to 10221011020111 its reverse (11102011012201), we get a palindrome (21323022032312).

The spelling of 10221011020111 in words is "ten trillion, two hundred twenty-one billion, eleven million, twenty thousand, one hundred eleven".