11111100122002 has 16 divisors (see below), whose sum is σ = 16676692899480. Its totient is φ = 5552202763008.

The previous prime is 11111100121963. The next prime is 11111100122009. The reversal of 11111100122002 is 20022100111111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11024398730601 + 86701391401 = 3320301^2 + 294451^2 .

It is not an unprimeable number, because it can be changed into a prime (11111100122009) 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, 104771668 + ... + 104877664.

Almost surely, 2^{11111100122002} is an apocalyptic number.

11111100122002 is a deficient number, since it is larger than the sum of its proper divisors (5565592777478).

11111100122002 is a wasteful number, since it uses less digits than its factorization.

11111100122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137085.

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

Adding to 11111100122002 its reverse (20022100111111), we get a palindrome (31133200233113).

The spelling of 11111100122002 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred twenty-two thousand, two".