11001211212102 has 16 divisors (see below), whose sum is σ = 22002529519872. Its totient is φ = 3667052554760.

The previous prime is 11001211212097. The next prime is 11001211212107. The reversal of 11001211212102 is 20121211210011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11001211212097) and next prime (11001211212107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001211212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3094674 + ... + 5619557.

It is an arithmetic number, because the mean of its divisors is an integer number (1375158094992).

Almost surely, 2^{11001211212102} is an apocalyptic number.

11001211212102 is an abundant number, since it is smaller than the sum of its proper divisors (11001318307770).

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

11001211212102 is a wasteful number, since it uses less digits than its factorization.

11001211212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924643.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001211212102 its reverse (20121211210011), we get a palindrome (31122422422113).

The spelling of 11001211212102 in words is "eleven trillion, one billion, two hundred eleven million, two hundred twelve thousand, one hundred two".