10221220010111 has 8 divisors (see below), whose sum is σ = 11163078391248. Its totient is φ = 9281471056000.

The previous prime is 10221220010083. The next prime is 10221220010159. The reversal of 10221220010111 is 11101002212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10221220010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221220010311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527346620 + ... + 527366001.

It is an arithmetic number, because the mean of its divisors is an integer number (1395384798906).

Almost surely, 2^{10221220010111} is an apocalyptic number.

10221220010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221220010111 is a deficient number, since it is larger than the sum of its proper divisors (941858381137).

10221220010111 is a wasteful number, since it uses less digits than its factorization.

10221220010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054713513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221220010111 its reverse (11101002212201), we get a palindrome (21322222222312).

The spelling of 10221220010111 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, ten thousand, one hundred eleven".