1002211112 has 24 divisors (see below), whose sum is σ = 2185946010. Its totient is φ = 429518880.

The previous prime is 1002211103. The next prime is 1002211159. The reversal of 1002211112 is 2111122001.

It can be written as a sum of positive squares in only one way, i.e., 606439876 + 395771236 = 24626^2 + 19894^2 .

It is a super-2 number, since 2×1002211112² = 2008854226032553088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002211093 and 1002211102.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1277939 + ... + 1278722.

Almost surely, 2^1002211112 is an apocalyptic number.

It is an amenable number.

1002211112 is an abundant number, since it is smaller than the sum of its proper divisors (1183734898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002211112 is a wasteful number, since it uses less digits than its factorization.

1002211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556681 (or 2556670 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1002211112 is about 31657.7180478947. The cubic root of 1002211112 is about 1000.7364947756.

Adding to 1002211112 its reverse (2111122001), we get a palindrome (3113333113).

The spelling of 1002211112 in words is "one billion, two million, two hundred eleven thousand, one hundred twelve".