2134102021 has 16 divisors (see below), whose sum is σ = 2442864960. Its totient is φ = 1851413760.

The previous prime is 2134101961. The next prime is 2134102027. The reversal of 2134102021 is 1202014312.

It is a cyclic number.

It is not a de Polignac number, because 2134102021 - 2⁹ = 2134101509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134101986 and 2134102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134102027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77335 + ... + 101236.

It is an arithmetic number, because the mean of its divisors is an integer number (152679060).

Almost surely, 2^2134102021 is an apocalyptic number.

It is an amenable number.

2134102021 is a deficient number, since it is larger than the sum of its proper divisors (308762939).

2134102021 is a wasteful number, since it uses less digits than its factorization.

2134102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178644.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2134102021 is about 46196.3420738049. The cubic root of 2134102021 is about 1287.4737775286.

Adding to 2134102021 its reverse (1202014312), we get a palindrome (3336116333).

The spelling of 2134102021 in words is "two billion, one hundred thirty-four million, one hundred two thousand, twenty-one".