21232021031302 has 32 divisors (see below), whose sum is σ = 33754464180000. Its totient is φ = 9981758791680.

The previous prime is 21232021031227. The next prime is 21232021031321. The reversal of 21232021031302 is 20313012023212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255221538 + ... + 255304714.

It is an arithmetic number, because the mean of its divisors is an integer number (1054827005625).

Almost surely, 2^{21232021031302} is an apocalyptic number.

21232021031302 is a deficient number, since it is larger than the sum of its proper divisors (12522443148698).

21232021031302 is a wasteful number, since it uses less digits than its factorization.

21232021031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90456.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21232021031302 its reverse (20313012023212), we get a palindrome (41545033054514).

The spelling of 21232021031302 in words is "twenty-one trillion, two hundred thirty-two billion, twenty-one million, thirty-one thousand, three hundred two".