11011210121002 has 128 divisors (see below), whose sum is σ = 20968911936000. Its totient is φ = 4308850603008.

The previous prime is 11011210120969. The next prime is 11011210121053. The reversal of 11011210121002 is 20012101211011.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512925873 + ... + 512947339.

It is an arithmetic number, because the mean of its divisors is an integer number (163819624500).

Almost surely, 2^{11011210121002} is an apocalyptic number.

11011210121002 is a deficient number, since it is larger than the sum of its proper divisors (9957701814998).

11011210121002 is a wasteful number, since it uses less digits than its factorization.

11011210121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22125 (or 22111 counting only the distinct ones).

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

Adding to 11011210121002 its reverse (20012101211011), we get a palindrome (31023311332013).

The spelling of 11011210121002 in words is "eleven trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, two".