901120222021109 has 2 divisors, whose sum is σ = 901120222021110. Its totient is φ = 901120222021108.

The previous prime is 901120222021069. The next prime is 901120222021211.

901120222021109 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794274612362884 + 106845609658225 = 28182878^2 + 10336615^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 901120222021109 - 2³² = 901115927053813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901120222024109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450560111010554 + 450560111010555.

It is an arithmetic number, because the mean of its divisors is an integer number (450560111010555).

Almost surely, 2^{901120222021109} is an apocalyptic number.

It is an amenable number.

901120222021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

901120222021109 is an equidigital number, since it uses as much as digits as its factorization.

901120222021109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 901120222021109 in words is "nine hundred one trillion, one hundred twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred nine".