221110000101 has 8 divisors (see below), whose sum is σ = 327570370560. Its totient is φ = 147406666716.

The previous prime is 221110000091. The next prime is 221110000123. The reversal of 221110000101 is 101000011122.

It is a happy number.

It is not a de Polignac number, because 221110000101 - 2¹³ = 221109991909 is a prime.

It is a super-3 number, since 3×221110000101³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110000201) 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, 4094629605 + ... + 4094629658.

It is an arithmetic number, because the mean of its divisors is an integer number (40946296320).

Almost surely, 2^221110000101 is an apocalyptic number.

It is an amenable number.

221110000101 is a deficient number, since it is larger than the sum of its proper divisors (106460370459).

221110000101 is an equidigital number, since it uses as much as digits as its factorization.

221110000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189259272 (or 8189259266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 221110000101 its reverse (101000011122), we get a palindrome (322110011223).

The spelling of 221110000101 in words is "two hundred twenty-one billion, one hundred ten million, one hundred one", and thus it is an aban number.