2113020012220 has 48 divisors (see below), whose sum is σ = 4825989711648. Its totient is φ = 772467321600.

The previous prime is 2113020012211. The next prime is 2113020012221. The reversal of 2113020012220 is 222100203112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2113020012194 and 2113020012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113020012221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40206414 + ... + 40258933.

It is an arithmetic number, because the mean of its divisors is an integer number (100541452326).

Almost surely, 2^{2113020012220} is an apocalyptic number.

2113020012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113020012220 is an abundant number, since it is smaller than the sum of its proper divisors (2712969699428).

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

2113020012220 is a wasteful number, since it uses less digits than its factorization.

2113020012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80465470 (or 80465468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2113020012220 its reverse (222100203112), we get a palindrome (2335120215332).

The spelling of 2113020012220 in words is "two trillion, one hundred thirteen billion, twenty million, twelve thousand, two hundred twenty".