2121023232002 has 8 divisors (see below), whose sum is σ = 3291242946300. Its totient is φ = 1023942249904.

The previous prime is 2121023231983. The next prime is 2121023232019. The reversal of 2121023232002 is 2002323201212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1804156689721 + 316866542281 = 1343189^2 + 562909^2 .

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, 18284682977 + ... + 18284683092.

Almost surely, 2^{2121023232002} is an apocalyptic number.

2121023232002 is a deficient number, since it is larger than the sum of its proper divisors (1170219714298).

2121023232002 is a wasteful number, since it uses less digits than its factorization.

2121023232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36569366100.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2121023232002 its reverse (2002323201212), we get a palindrome (4123346433214).

The spelling of 2121023232002 in words is "two trillion, one hundred twenty-one billion, twenty-three million, two hundred thirty-two thousand, two".