2102302121004 has 18 divisors (see below), whose sum is σ = 5314152583740. Its totient is φ = 700767373656.

The previous prime is 2102302120993. The next prime is 2102302121009. The reversal of 2102302121004 is 4001212032012.

It is a happy number.

2102302121004 is a `hidden beast` number, since 210 + 230 + 212 + 10 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2102302121009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29198640534 + ... + 29198640605.

Almost surely, 2^{2102302121004} is an apocalyptic number.

It is an amenable number.

2102302121004 is an abundant number, since it is smaller than the sum of its proper divisors (3211850462736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102302121004 is a wasteful number, since it uses less digits than its factorization.

2102302121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58397281149 (or 58397281144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2102302121004 its reverse (4001212032012), we get a palindrome (6103514153016).

The spelling of 2102302121004 in words is "two trillion, one hundred two billion, three hundred two million, one hundred twenty-one thousand, four".