11111020022102 has 64 divisors (see below), whose sum is σ = 22608134567424. Its totient is φ = 3954775587840.

The previous prime is 11111020022057. The next prime is 11111020022107. The reversal of 11111020022102 is 20122002011111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111020022107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28413848 + ... + 28802235.

It is an arithmetic number, because the mean of its divisors is an integer number (353252102616).

Almost surely, 2^{11111020022102} is an apocalyptic number.

11111020022102 is an abundant number, since it is smaller than the sum of its proper divisors (11497114545322).

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

11111020022102 is a wasteful number, since it uses less digits than its factorization.

11111020022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57216213.

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

Adding to 11111020022102 its reverse (20122002011111), we get a palindrome (31233022033213).

The spelling of 11111020022102 in words is "eleven trillion, one hundred eleven billion, twenty million, twenty-two thousand, one hundred two".