2211210112148 has 6 divisors (see below), whose sum is σ = 3869617696266. Its totient is φ = 1105605056072.

The previous prime is 2211210112147. The next prime is 2211210112151. The reversal of 2211210112148 is 8412110121122.

It can be written as a sum of positive squares in only one way, i.e., 1695990499204 + 515219612944 = 1302302^2 + 717788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211210112147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276401264015 + ... + 276401264022.

It is an arithmetic number, because the mean of its divisors is an integer number (644936282711).

Almost surely, 2^{2211210112148} is an apocalyptic number.

It is an amenable number.

2211210112148 is a deficient number, since it is larger than the sum of its proper divisors (1658407584118).

2211210112148 is a wasteful number, since it uses less digits than its factorization.

2211210112148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552802528041 (or 552802528039 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The spelling of 2211210112148 in words is "two trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred forty-eight".