111211020101002 has 16 divisors (see below), whose sum is σ = 168542524624320. Its totient is φ = 55030220984448.

The previous prime is 111211020100907. The next prime is 111211020101003. The reversal of 111211020101002 is 200101020112111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111211020101003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5343198 + ... + 15842089.

It is an arithmetic number, because the mean of its divisors is an integer number (10533907789020).

Almost surely, 2^{111211020101002} is an apocalyptic number.

111211020101002 is a deficient number, since it is larger than the sum of its proper divisors (57331504523318).

111211020101002 is a wasteful number, since it uses less digits than its factorization.

111211020101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212445.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111211020101002 its reverse (200101020112111), we get a palindrome (311312040213113).

The spelling of 111211020101002 in words is "one hundred eleven trillion, two hundred eleven billion, twenty million, one hundred one thousand, two".