2120021101230 has 64 divisors (see below), whose sum is σ = 5161064283648. Its totient is φ = 557230504320.

The previous prime is 2120021101193. The next prime is 2120021101249. The reversal of 2120021101230 is 321011200212.

It is a super-3 number, since 3×2120021101230³ (a number of 38 digits) contains 333 as substring.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8129649 + ... + 8386371.

It is an arithmetic number, because the mean of its divisors is an integer number (80641629432).

Almost surely, 2^{2120021101230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120021101230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580532141824).

2120021101230 is an abundant number, since it is smaller than the sum of its proper divisors (3041043182418).

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

2120021101230 is a wasteful number, since it uses less digits than its factorization.

2120021101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260681.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2120021101230 its reverse (321011200212), we get a palindrome (2441032301442).

The spelling of 2120021101230 in words is "two trillion, one hundred twenty billion, twenty-one million, one hundred one thousand, two hundred thirty".