220111111111002 has 32 divisors (see below), whose sum is σ = 471777516657792. Its totient is φ = 68283587934144.

The previous prime is 220111111110997. The next prime is 220111111111013. The reversal of 220111111111002 is 200111111111022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21554157753 + ... + 21554167964.

It is an arithmetic number, because the mean of its divisors is an integer number (14743047395556).

Almost surely, 2^{220111111111002} is an apocalyptic number.

220111111111002 is an abundant number, since it is smaller than the sum of its proper divisors (251666405546790).

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

220111111111002 is a wasteful number, since it uses less digits than its factorization.

220111111111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43108325782.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 220111111111002 its reverse (200111111111022), we get a palindrome (420222222222024).

The spelling of 220111111111002 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, two".