11111120022002 has 32 divisors (see below), whose sum is σ = 22377640328064. Its totient is φ = 3996007200000.

The previous prime is 11111120021923. The next prime is 11111120022031. The reversal of 11111120022002 is 20022002111111.

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

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, 2775002999 + ... + 2775007002.

It is an arithmetic number, because the mean of its divisors is an integer number (699301260252).

Almost surely, 2^{11111120022002} is an apocalyptic number.

11111120022002 is an abundant number, since it is smaller than the sum of its proper divisors (11266520306062).

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

11111120022002 is a wasteful number, since it uses less digits than its factorization.

11111120022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550010034.

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

Adding to 11111120022002 its reverse (20022002111111), we get a palindrome (31133122133113).

It can be divided in two parts, 111111 and 20022002, that multiplied together give a palindrome (2224664664222).

The spelling of 11111120022002 in words is "eleven trillion, one hundred eleven billion, one hundred twenty million, twenty-two thousand, two".