2121101310030 has 16 divisors (see below), whose sum is σ = 5090643144144. Its totient is φ = 565627016000.

The previous prime is 2121101310023. The next prime is 2121101310043. The reversal of 2121101310030 is 300131011212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2121101309991 and 2121101310009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35351688471 + ... + 35351688530.

It is an arithmetic number, because the mean of its divisors is an integer number (318165196509).

Almost surely, 2^{2121101310030} is an apocalyptic number.

2121101310030 is an abundant number, since it is smaller than the sum of its proper divisors (2969541834114).

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

2121101310030 is a wasteful number, since it uses less digits than its factorization.

2121101310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70703377011.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2121101310030 its reverse (300131011212), we get a palindrome (2421232321242).

The spelling of 2121101310030 in words is "two trillion, one hundred twenty-one billion, one hundred one million, three hundred ten thousand, thirty".