100222011 has 12 divisors (see below), whose sum is σ = 148678192. Its totient is φ = 65008656.

The previous prime is 100222009. The next prime is 100222013. The reversal of 100222011 is 110222001.

It is an interprime number because it is at equal distance from previous prime (100222009) and next prime (100222013).

It is not a de Polignac number, because 100222011 - 2¹ = 100222009 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100221984 and 100222002.

It is not an unprimeable number, because it can be changed into a prime (100222013) 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, 150151 + ... + 150816.

Almost surely, 2^100222011 is an apocalyptic number.

100222011 is a deficient number, since it is larger than the sum of its proper divisors (48456181).

100222011 is a wasteful number, since it uses less digits than its factorization.

100222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301010 (or 301007 counting only the distinct ones).

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

The square root of 100222011 is about 10011.0943957192. The cubic root of 100222011 is about 464.5021240686.

Adding to 100222011 its reverse (110222001), we get a palindrome (210444012).

It can be divided in two parts, 1002 and 22011, that multiplied together give a palindrome (22055022).

The spelling of 100222011 in words is "one hundred million, two hundred twenty-two thousand, eleven".