2121214534 has 4 divisors (see below), whose sum is σ = 3181821804. Its totient is φ = 1060607266.

The previous prime is 2121214523. The next prime is 2121214561. The reversal of 2121214534 is 4354121212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121214499 and 2121214508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530303632 + ... + 530303635.

It is an arithmetic number, because the mean of its divisors is an integer number (795455451).

Almost surely, 2^2121214534 is an apocalyptic number.

2121214534 is a deficient number, since it is larger than the sum of its proper divisors (1060607270).

2121214534 is a wasteful number, since it uses less digits than its factorization.

2121214534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060607269.

The product of its digits is 1920, while the sum is 25.

The square root of 2121214534 is about 46056.6448408913. The cubic root of 2121214534 is about 1284.8769298779.

Adding to 2121214534 its reverse (4354121212), we get a palindrome (6475335746).

The spelling of 2121214534 in words is "two billion, one hundred twenty-one million, two hundred fourteen thousand, five hundred thirty-four".