40221214109 has 2 divisors, whose sum is σ = 40221214110. Its totient is φ = 40221214108.

The previous prime is 40221214037. The next prime is 40221214123. The reversal of 40221214109 is 90141212204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22533012100 + 17688202009 = 150110^2 + 132997^2 .

It is a cyclic number.

It is not a de Polignac number, because 40221214109 - 2¹⁶ = 40221148573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40221204109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110607054 + 20110607055.

It is an arithmetic number, because the mean of its divisors is an integer number (20110607055).

Almost surely, 2^40221214109 is an apocalyptic number.

It is an amenable number.

40221214109 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221214109 is an equidigital number, since it uses as much as digits as its factorization.

40221214109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 40221214109 in words is "forty billion, two hundred twenty-one million, two hundred fourteen thousand, one hundred nine".