1111212220002 has 64 divisors (see below), whose sum is σ = 2374046236800. Its totient is φ = 345529036800.

The previous prime is 1111212219991. The next prime is 1111212220003. The reversal of 1111212220002 is 2000222121111.

It is not an unprimeable number, because it can be changed into a prime (1111212220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8455774 + ... + 8586182.

It is an arithmetic number, because the mean of its divisors is an integer number (37094472450).

Almost surely, 2^{1111212220002} is an apocalyptic number.

1111212220002 is an abundant number, since it is smaller than the sum of its proper divisors (1262834016798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111212220002 is a wasteful number, since it uses less digits than its factorization.

1111212220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131171.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1111212220002 its reverse (2000222121111), we get a palindrome (3111434341113).

The spelling of 1111212220002 in words is "one trillion, one hundred eleven billion, two hundred twelve million, two hundred twenty thousand, two".