111020212221002 has 16 divisors (see below), whose sum is σ = 192729482338560. Its totient is φ = 46977811319088.

The previous prime is 111020212220987. The next prime is 111020212221019. The reversal of 111020212221002 is 200122212020111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50189968253 + ... + 50189970464.

It is an arithmetic number, because the mean of its divisors is an integer number (12045592646160).

Almost surely, 2^{111020212221002} is an apocalyptic number.

111020212221002 is a deficient number, since it is larger than the sum of its proper divisors (81709270117558).

111020212221002 is a wasteful number, since it uses less digits than its factorization.

111020212221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100379938805.

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

Adding to 111020212221002 its reverse (200122212020111), we get a palindrome (311142424241113).

The spelling of 111020212221002 in words is "one hundred eleven trillion, twenty billion, two hundred twelve million, two hundred twenty-one thousand, two".