111220022021102 has 16 divisors (see below), whose sum is σ = 173987024813952. Its totient is φ = 53261334120960.

The previous prime is 111220022021099. The next prime is 111220022021149. The reversal of 111220022021102 is 201120220022111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9246753383 + ... + 9246765410.

It is an arithmetic number, because the mean of its divisors is an integer number (10874189050872).

Almost surely, 2^{111220022021102} is an apocalyptic number.

111220022021102 is a deficient number, since it is larger than the sum of its proper divisors (62767002792850).

111220022021102 is a wasteful number, since it uses less digits than its factorization.

111220022021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18493518923.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111220022021102 its reverse (201120220022111), we get a palindrome (312340242043213).

The spelling of 111220022021102 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-two million, twenty-one thousand, one hundred two".