2212111200650 has 48 divisors (see below), whose sum is σ = 4449415224408. Its totient is φ = 813390336000.

The previous prime is 2212111200631. The next prime is 2212111200671. The reversal of 2212111200650 is 560021112122.

It can be written as a sum of positive squares in 12 ways, for example, as 136520643169 + 2075590557481 = 369487^2 + 1440691^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6904031 + ... + 7217330.

Almost surely, 2^{2212111200650} is an apocalyptic number.

2212111200650 is an abundant number, since it is smaller than the sum of its proper divisors (2237304023758).

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

2212111200650 is a wasteful number, since it uses less digits than its factorization.

2212111200650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121627 (or 14121622 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 2212111200650 its reverse (560021112122), we get a palindrome (2772132312772).

The spelling of 2212111200650 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, six hundred fifty".