2220010101 has 18 divisors (see below), whose sum is σ = 3295708962. Its totient is φ = 1439998560.

The previous prime is 2220010087. The next prime is 2220010109. The reversal of 2220010101 is 1010100222.

It can be written as a sum of positive squares in 3 ways, for example, as 941876100 + 1278134001 = 30690^2 + 35751^2 .

It is not a de Polignac number, because 2220010101 - 2⁷ = 2220009973 is a prime.

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

2220010101 is a modest number, since divided by 10101 gives 2220 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220010109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77770 + ... + 102411.

Almost surely, 2^2220010101 is an apocalyptic number.

It is an amenable number.

2220010101 is a deficient number, since it is larger than the sum of its proper divisors (1075698861).

2220010101 is a wasteful number, since it uses less digits than its factorization.

2220010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180261 (or 180221 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2220010101 is about 47116.9831483299. The cubic root of 2220010101 is about 1304.5227285406.

Adding to 2220010101 its reverse (1010100222), we get a palindrome (3230110323).

The spelling of 2220010101 in words is "two billion, two hundred twenty million, ten thousand, one hundred one".