2011210352250 has 128 divisors (see below), whose sum is σ = 5478099524352. Its totient is φ = 487409760000.

The previous prime is 2011210352209. The next prime is 2011210352267. The reversal of 2011210352250 is 522530121102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011210352250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26799780 + ... + 26874720.

It is an arithmetic number, because the mean of its divisors is an integer number (42797652534).

Almost surely, 2^{2011210352250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011210352250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2739049762176).

2011210352250 is an abundant number, since it is smaller than the sum of its proper divisors (3466889172102).

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

2011210352250 is a wasteful number, since it uses less digits than its factorization.

2011210352250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78225 (or 78215 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 2011210352250 its reverse (522530121102), we get a palindrome (2533740473352).

The spelling of 2011210352250 in words is "two trillion, eleven billion, two hundred ten million, three hundred fifty-two thousand, two hundred fifty".