1450212220091 has 2 divisors, whose sum is σ = 1450212220092. Its totient is φ = 1450212220090.

The previous prime is 1450212220073. The next prime is 1450212220099. The reversal of 1450212220091 is 1900222120541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1450212220091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1450212220099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725106110045 + 725106110046.

It is an arithmetic number, because the mean of its divisors is an integer number (725106110046).

Almost surely, 2^{1450212220091} is an apocalyptic number.

1450212220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450212220091 is an equidigital number, since it uses as much as digits as its factorization.

1450212220091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1450212220091 in words is "one trillion, four hundred fifty billion, two hundred twelve million, two hundred twenty thousand, ninety-one".