1420229099521 has 2 divisors, whose sum is σ = 1420229099522. Its totient is φ = 1420229099520.

The previous prime is 1420229099507. The next prime is 1420229099537. The reversal of 1420229099521 is 1259909220241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247385194496 + 172843905025 = 1116864^2 + 415745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420229099521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420229099021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710114549760 + 710114549761.

It is an arithmetic number, because the mean of its divisors is an integer number (710114549761).

Almost surely, 2^{1420229099521} is an apocalyptic number.

It is an amenable number.

1420229099521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420229099521 is an equidigital number, since it uses as much as digits as its factorization.

1420229099521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1420229099521 in words is "one trillion, four hundred twenty billion, two hundred twenty-nine million, ninety-nine thousand, five hundred twenty-one".