2101023012 has 96 divisors (see below), whose sum is σ = 5466746880. Its totient is φ = 622702080.

The previous prime is 2101022993. The next prime is 2101023053. The reversal of 2101023012 is 2103201012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177473 + ... + 1179255.

It is an arithmetic number, because the mean of its divisors is an integer number (56945280).

Almost surely, 2^2101023012 is an apocalyptic number.

2101023012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101023012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2733373440).

2101023012 is an abundant number, since it is smaller than the sum of its proper divisors (3365723868).

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

2101023012 is a wasteful number, since it uses less digits than its factorization.

2101023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2101023012 is about 45836.9175665205. The cubic root of 2101023012 is about 1280.7870753337.

Adding to 2101023012 its reverse (2103201012), we get a palindrome (4204224024).

The spelling of 2101023012 in words is "two billion, one hundred one million, twenty-three thousand, twelve".