10221002221111 has 32 divisors (see below), whose sum is σ = 11347338562560. Its totient is φ = 9129256502400.

The previous prime is 10221002221109. The next prime is 10221002221147. The reversal of 10221002221111 is 11112220012201.

It is a cyclic number.

It is not a de Polignac number, because 10221002221111 - 2¹ = 10221002221109 is a prime.

It is a super-3 number, since 3×10221002221111³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221002221411) 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 31 ways as a sum of consecutive naturals, for example, 75237730 + ... + 75373456.

It is an arithmetic number, because the mean of its divisors is an integer number (354604330080).

Almost surely, 2^{10221002221111} is an apocalyptic number.

10221002221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221002221111 is a deficient number, since it is larger than the sum of its proper divisors (1126336341449).

10221002221111 is a wasteful number, since it uses less digits than its factorization.

10221002221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136375.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221002221111 its reverse (11112220012201), we get a palindrome (21333222233312).

The spelling of 10221002221111 in words is "ten trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, one hundred eleven".