222010101 has 12 divisors (see below), whose sum is σ = 329348812. Its totient is φ = 144006336.

The previous prime is 222010091. The next prime is 222010111. The reversal of 222010101 is 101010222.

It is an interprime number because it is at equal distance from previous prime (222010091) and next prime (222010111).

It can be written as a sum of positive squares in 2 ways, for example, as 213189201 + 8820900 = 14601^2 + 2970^2 .

It is not a de Polignac number, because 222010101 - 2¹⁰ = 222009077 is a prime.

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

It is a Duffinian number.

222010101 is a modest number, since divided by 10101 gives 222 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333016 + ... + 333681.

Almost surely, 2^222010101 is an apocalyptic number.

It is an amenable number.

222010101 is a deficient number, since it is larger than the sum of its proper divisors (107338711).

222010101 is a wasteful number, since it uses less digits than its factorization.

222010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666740 (or 666737 counting only the distinct ones).

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

The square root of 222010101 is about 14900.0033892614. The cubic root of 222010101 is about 605.5140780027.

Adding to 222010101 its reverse (101010222), we get a palindrome (323020323).

It can be divided in two parts, 222010 and 101, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 222010101 in words is "two hundred twenty-two million, ten thousand, one hundred one".