2111012222149 has 2 divisors, whose sum is σ = 2111012222150. Its totient is φ = 2111012222148.

The previous prime is 2111012222141. The next prime is 2111012222213. The reversal of 2111012222149 is 9412222101112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1888494350625 + 222517871524 = 1374225^2 + 471718^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111012222149 - 2³ = 2111012222141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111012222141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055506111074 + 1055506111075.

It is an arithmetic number, because the mean of its divisors is an integer number (1055506111075).

Almost surely, 2^{2111012222149} is an apocalyptic number.

It is an amenable number.

2111012222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111012222149 is an equidigital number, since it uses as much as digits as its factorization.

2111012222149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 2111012222149 in words is "two trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, one hundred forty-nine".