2121130101030 has 128 divisors (see below), whose sum is σ = 5380925299200. Its totient is φ = 533638554624.

The previous prime is 2121130101017. The next prime is 2121130101047. The reversal of 2121130101030 is 301010311212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 567296901 + ... + 567300639.

It is an arithmetic number, because the mean of its divisors is an integer number (42038478900).

Almost surely, 2^{2121130101030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121130101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690462649600).

2121130101030 is an abundant number, since it is smaller than the sum of its proper divisors (3259795198170).

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

2121130101030 is a wasteful number, since it uses less digits than its factorization.

2121130101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638.

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

Adding to 2121130101030 its reverse (301010311212), we get a palindrome (2422140412242).

The spelling of 2121130101030 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, one hundred one thousand, thirty".