1011210112 has 64 divisors (see below), whose sum is σ = 2225721600. Its totient is φ = 453772800.

The previous prime is 1011210103. The next prime is 1011210119. The reversal of 1011210112 is 2110121101.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1011210112² = 2045091781222105088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210119) 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, 106687 + ... + 115777.

It is an arithmetic number, because the mean of its divisors is an integer number (34776900).

Almost surely, 2^1011210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112860800).

1011210112 is an abundant number, since it is smaller than the sum of its proper divisors (1214511488).

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

1011210112 is an equidigital number, since it uses as much as digits as its factorization.

1011210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195 (or 9183 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1011210112 is about 31799.5300594207. The cubic root of 1011210112 is about 1003.7228273577.

Adding to 1011210112 its reverse (2110121101), we get a palindrome (3121331213).

The spelling of 1011210112 in words is "one billion, eleven million, two hundred ten thousand, one hundred twelve".