1420990442111 has 2 divisors, whose sum is σ = 1420990442112. Its totient is φ = 1420990442110.

The previous prime is 1420990442099. The next prime is 1420990442177. The reversal of 1420990442111 is 1112440990241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420990442111 - 2¹⁴ = 1420990425727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420990445111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710495221055 + 710495221056.

It is an arithmetic number, because the mean of its divisors is an integer number (710495221056).

Almost surely, 2^{1420990442111} is an apocalyptic number.

1420990442111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420990442111 is an equidigital number, since it uses as much as digits as its factorization.

1420990442111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 1420990442111 in words is "one trillion, four hundred twenty billion, nine hundred ninety million, four hundred forty-two thousand, one hundred eleven".