941220242021881 has 2 divisors, whose sum is σ = 941220242021882. Its totient is φ = 941220242021880.

The previous prime is 941220242021879. The next prime is 941220242021893. The reversal of 941220242021881 is 188120242022149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850234684358656 + 90985557663225 = 29158784^2 + 9538635^2 .

It is a cyclic number.

It is not a de Polignac number, because 941220242021881 - 2¹ = 941220242021879 is a prime.

It is a super-2 number, since 2×941220242021881² (a number of 31 digits) contains 22 as substring.

Together with 941220242021879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (941220242022881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470610121010940 + 470610121010941.

It is an arithmetic number, because the mean of its divisors is an integer number (470610121010941).

Almost surely, 2^{941220242021881} is an apocalyptic number.

It is an amenable number.

941220242021881 is a deficient number, since it is larger than the sum of its proper divisors (1).

941220242021881 is an equidigital number, since it uses as much as digits as its factorization.

941220242021881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 941220242021881 in words is "nine hundred forty-one trillion, two hundred twenty billion, two hundred forty-two million, twenty-one thousand, eight hundred eighty-one".