2011210012220 has 24 divisors (see below), whose sum is σ = 4229225499744. Its totient is φ = 803401247936.

The previous prime is 2011210012183. The next prime is 2011210012289. The reversal of 2011210012220 is 222100121102.

It is a junction number, because it is equal to n+sod(n) for n = 2011210012195 and 2011210012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67657079 + ... + 67686798.

It is an arithmetic number, because the mean of its divisors is an integer number (176217729156).

Almost surely, 2^{2011210012220} is an apocalyptic number.

2011210012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011210012220 is an abundant number, since it is smaller than the sum of its proper divisors (2218015487524).

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

2011210012220 is a wasteful number, since it uses less digits than its factorization.

2011210012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135344629 (or 135344627 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011210012220 its reverse (222100121102), we get a palindrome (2233310133322).

The spelling of 2011210012220 in words is "two trillion, eleven billion, two hundred ten million, twelve thousand, two hundred twenty".