2021232102120 has 384 divisors, whose sum is σ = 8197476618240. Its totient is φ = 419609157120.

The previous prime is 2021232102101. The next prime is 2021232102193. The reversal of 2021232102120 is 212012321202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021232102093 and 2021232102102.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30542107 + ... + 30608213.

It is an arithmetic number, because the mean of its divisors is an integer number (21347595360).

Almost surely, 2^{2021232102120} is an apocalyptic number.

2021232102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021232102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4098738309120).

2021232102120 is an abundant number, since it is smaller than the sum of its proper divisors (6176244516120).

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

2021232102120 is a wasteful number, since it uses less digits than its factorization.

2021232102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67245 (or 67238 counting only the distinct ones).

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

Adding to 2021232102120 its reverse (212012321202), we get a palindrome (2233244423322).

The spelling of 2021232102120 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred two thousand, one hundred twenty".