2211310230120 has 192 divisors, whose sum is σ = 7631445481920. Its totient is φ = 553395566592.

The previous prime is 2211310230113. The next prime is 2211310230121. The reversal of 2211310230120 is 210320131122.

2211310230120 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 310 + 230 + 120 = 666.

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 = 2211310230093 and 2211310230102.

It is not an unprimeable number, because it can be changed into a prime (2211310230121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1602999 + ... + 2644281.

It is an arithmetic number, because the mean of its divisors is an integer number (39747111885).

Almost surely, 2^{2211310230120} is an apocalyptic number.

2211310230120 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 2211310230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3815722740960).

2211310230120 is an abundant number, since it is smaller than the sum of its proper divisors (5420135251800).

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

2211310230120 is a wasteful number, since it uses less digits than its factorization.

2211310230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041664 (or 1041657 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2211310230120 its reverse (210320131122), we get a palindrome (2421630361242).

The spelling of 2211310230120 in words is "two trillion, two hundred eleven billion, three hundred ten million, two hundred thirty thousand, one hundred twenty".