2101001012 has 24 divisors (see below), whose sum is σ = 4017018432. Its totient is φ = 953568000.

The previous prime is 2101001009. The next prime is 2101001029.

2101001012 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864 + ... + 65087.

It is an arithmetic number, because the mean of its divisors is an integer number (167375768).

Almost surely, 2^2101001012 is an apocalyptic number.

2101001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2101001012 is a deficient number, since it is larger than the sum of its proper divisors (1916017420).

2101001012 is a wasteful number, since it uses less digits than its factorization.

2101001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71639 (or 71637 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2101001012 is about 45836.6775846592. The cubic root of 2101001012 is about 1280.7826049060.

It can be divided in two parts, 210100 and 1012, that added together give a palindrome (211112).

The spelling of 2101001012 in words is "two billion, one hundred one million, one thousand, twelve".