11011121002102 has 16 divisors (see below), whose sum is σ = 17788010404752. Its totient is φ = 5081823007200.

The previous prime is 11011121002081. The next prime is 11011121002103. The reversal of 11011121002102 is 20120012111011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011121002103) 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, 9122613 + ... + 10258864.

It is an arithmetic number, because the mean of its divisors is an integer number (1111750650297).

Almost surely, 2^{11011121002102} is an apocalyptic number.

11011121002102 is a deficient number, since it is larger than the sum of its proper divisors (6776889402650).

11011121002102 is a wasteful number, since it uses less digits than its factorization.

11011121002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403343.

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

Adding to 11011121002102 its reverse (20120012111011), we get a palindrome (31131133113113).

The spelling of 11011121002102 in words is "eleven trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred two".