110121120221947 has 2 divisors, whose sum is σ = 110121120221948. Its totient is φ = 110121120221946.

The previous prime is 110121120221929. The next prime is 110121120221969. The reversal of 110121120221947 is 749122021121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110121120221947 - 2³⁹ = 109571364408059 is a prime.

It is a super-2 number, since 2×110121120221947² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110121120221977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060560110973 + 55060560110974.

It is an arithmetic number, because the mean of its divisors is an integer number (55060560110974).

Almost surely, 2^{110121120221947} is an apocalyptic number.

110121120221947 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121120221947 is an equidigital number, since it uses as much as digits as its factorization.

110121120221947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

Adding to 110121120221947 its reverse (749122021121011), we get a palindrome (859243141342958).

The spelling of 110121120221947 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred forty-seven".