2130010111220 has 48 divisors (see below), whose sum is σ = 4511504320848. Its totient is φ = 844690037760.

The previous prime is 2130010111217. The next prime is 2130010111223. The reversal of 2130010111220 is 221110100312.

It is an interprime number because it is at equal distance from previous prime (2130010111217) and next prime (2130010111223).

It can be written as a sum of positive squares in 8 ways, for example, as 92208180964 + 2037801930256 = 303658^2 + 1427516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130010111195 and 2130010111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130010111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615190 + ... + 2620850.

It is an arithmetic number, because the mean of its divisors is an integer number (93989673351).

Almost surely, 2^{2130010111220} is an apocalyptic number.

2130010111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130010111220 is an abundant number, since it is smaller than the sum of its proper divisors (2381494209628).

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

2130010111220 is a wasteful number, since it uses less digits than its factorization.

2130010111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006580 (or 1006578 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2130010111220 its reverse (221110100312), we get a palindrome (2351120211532).

The spelling of 2130010111220 in words is "two trillion, one hundred thirty billion, ten million, one hundred eleven thousand, two hundred twenty".