2101021134 has 16 divisors (see below), whose sum is σ = 4206822480. Its totient is φ = 699543680.

The previous prime is 2101021133. The next prime is 2101021157. The reversal of 2101021134 is 4311201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101021133) 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, 193449 + ... + 204020.

It is an arithmetic number, because the mean of its divisors is an integer number (262926405).

Almost surely, 2^2101021134 is an apocalyptic number.

2101021134 is an abundant number, since it is smaller than the sum of its proper divisors (2105801346).

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

2101021134 is a wasteful number, since it uses less digits than its factorization.

2101021134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398355.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2101021134 is about 45836.8970808453. The cubic root of 2101021134 is about 1280.7866937229.

Adding to 2101021134 its reverse (4311201012), we get a palindrome (6412222146).

The spelling of 2101021134 in words is "two billion, one hundred one million, twenty-one thousand, one hundred thirty-four".