1010021112 has 24 divisors (see below), whose sum is σ = 2735474040. Its totient is φ = 336673680.

The previous prime is 1010021099. The next prime is 1010021123. The reversal of 1010021112 is 2111200101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 1010021094 and 1010021103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7013964 + ... + 7014107.

It is an arithmetic number, because the mean of its divisors is an integer number (113978085).

Almost surely, 2^1010021112 is an apocalyptic number.

1010021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010021112 is an abundant number, since it is smaller than the sum of its proper divisors (1725452928).

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

1010021112 is a wasteful number, since it uses less digits than its factorization.

1010021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028083 (or 14028076 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1010021112 is about 31780.8293157998. The cubic root of 1010021112 is about 1003.3292742987.

Adding to 1010021112 its reverse (2111200101), we get a palindrome (3121221213).

The spelling of 1010021112 in words is "one billion, ten million, twenty-one thousand, one hundred twelve".