110221201758977 has 2 divisors, whose sum is σ = 110221201758978. Its totient is φ = 110221201758976.

The previous prime is 110221201758937. The next prime is 110221201758979. The reversal of 110221201758977 is 779857102122011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65860220315761 + 44360981443216 = 8115431^2 + 6660404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110221201758977 is a prime.

It is a super-2 number, since 2×110221201758977² (a number of 29 digits) contains 22 as substring.

Together with 110221201758979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110221201758979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110600879488 + 55110600879489.

It is an arithmetic number, because the mean of its divisors is an integer number (55110600879489).

Almost surely, 2^{110221201758977} is an apocalyptic number.

It is an amenable number.

110221201758977 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221201758977 is an equidigital number, since it uses as much as digits as its factorization.

110221201758977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 53.

The spelling of 110221201758977 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred one million, seven hundred fifty-eight thousand, nine hundred seventy-seven".