110221211939 has 2 divisors, whose sum is σ = 110221211940. Its totient is φ = 110221211938.

The previous prime is 110221211851. The next prime is 110221211953. The reversal of 110221211939 is 939112122011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110221211939 - 2³² = 105926244643 is a prime.

It is a super-2 number, since 2×110221211939² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110221219939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110605969 + 55110605970.

It is an arithmetic number, because the mean of its divisors is an integer number (55110605970).

Almost surely, 2^110221211939 is an apocalyptic number.

110221211939 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221211939 is an equidigital number, since it uses as much as digits as its factorization.

110221211939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 110221211939 in words is "one hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, nine hundred thirty-nine".