2011111521150 has 24 divisors (see below), whose sum is σ = 4987556572824. Its totient is φ = 536296405600.

The previous prime is 2011111521149. The next prime is 2011111521163. The reversal of 2011111521150 is 511251111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6703704921 + ... + 6703705220.

It is an arithmetic number, because the mean of its divisors is an integer number (207814857201).

Almost surely, 2^{2011111521150} is an apocalyptic number.

2011111521150 is an abundant number, since it is smaller than the sum of its proper divisors (2976445051674).

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

2011111521150 is a wasteful number, since it uses less digits than its factorization.

2011111521150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407410156 (or 13407410151 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 21.

Adding to 2011111521150 its reverse (511251111102), we get a palindrome (2522362632252).

The spelling of 2011111521150 in words is "two trillion, eleven billion, one hundred eleven million, five hundred twenty-one thousand, one hundred fifty".