111020122011002 has 4 divisors (see below), whose sum is σ = 166530183016506. Its totient is φ = 55510061005500.

The previous prime is 111020122010977. The next prime is 111020122011013. The reversal of 111020122011002 is 200110221020111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93943218689761 + 17076903321241 = 9692431^2 + 4132421^2 .

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 as a sum of consecutive naturals, namely, 27755030502749 + ... + 27755030502752.

Almost surely, 2^{111020122011002} is an apocalyptic number.

111020122011002 is a deficient number, since it is larger than the sum of its proper divisors (55510061005504).

111020122011002 is an equidigital number, since it uses as much as digits as its factorization.

111020122011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55510061005503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111020122011002 its reverse (200110221020111), we get a palindrome (311130343031113).

The spelling of 111020122011002 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, eleven thousand, two".