21232130211034 has 8 divisors (see below), whose sum is σ = 31854040110900. Its totient is φ = 10614116840736.

The previous prime is 21232130211029. The next prime is 21232130211043. The reversal of 21232130211034 is 43011203123212.

It can be written as a sum of positive squares in 2 ways, for example, as 16201067753025 + 5031062458009 = 4025055^2 + 2243003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974118769 + ... + 974140564.

Almost surely, 2^{21232130211034} is an apocalyptic number.

21232130211034 is a deficient number, since it is larger than the sum of its proper divisors (10621909899866).

21232130211034 is a wasteful number, since it uses less digits than its factorization.

21232130211034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948264784.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21232130211034 its reverse (43011203123212), we get a palindrome (64243333334246).

The spelling of 21232130211034 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty million, two hundred eleven thousand, thirty-four".