10000221021111 has 16 divisors (see below), whose sum is σ = 13404467202048. Its totient is φ = 6631399790400.

The previous prime is 10000221021083. The next prime is 10000221021121. The reversal of 10000221021111 is 11112012200001.

It is not a de Polignac number, because 10000221021111 - 2¹⁰ = 10000221020087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000221021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869491 + ... + 8196971.

It is an arithmetic number, because the mean of its divisors is an integer number (837779200128).

Almost surely, 2^{10000221021111} is an apocalyptic number.

10000221021111 is a deficient number, since it is larger than the sum of its proper divisors (3404246180937).

10000221021111 is a wasteful number, since it uses less digits than its factorization.

10000221021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340822.

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

Adding to 10000221021111 its reverse (11112012200001), we get a palindrome (21112233221112).

The spelling of 10000221021111 in words is "ten trillion, two hundred twenty-one million, twenty-one thousand, one hundred eleven".