111010102122149 has 2 divisors, whose sum is σ = 111010102122150. Its totient is φ = 111010102122148.

The previous prime is 111010102122121. The next prime is 111010102122239. The reversal of 111010102122149 is 941221201010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94770088710049 + 16240013412100 = 9734993^2 + 4029890^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010102122149 - 2³⁶ = 110941382645413 is a prime.

It is a super-4 number, since 4×111010102122149⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010102322149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505051061074 + 55505051061075.

It is an arithmetic number, because the mean of its divisors is an integer number (55505051061075).

Almost surely, 2^{111010102122149} is an apocalyptic number.

It is an amenable number.

111010102122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010102122149 is an equidigital number, since it uses as much as digits as its factorization.

111010102122149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 111010102122149 in words is "one hundred eleven trillion, ten billion, one hundred two million, one hundred twenty-two thousand, one hundred forty-nine".