11121210121002 has 16 divisors (see below), whose sum is σ = 22267496261952. Its totient is φ = 3702890703680.

The previous prime is 11121210120983. The next prime is 11121210121081. The reversal of 11121210121002 is 20012101212111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044828399 + ... + 1044839042.

It is an arithmetic number, because the mean of its divisors is an integer number (1391718516372).

Almost surely, 2^{11121210121002} is an apocalyptic number.

11121210121002 is an abundant number, since it is smaller than the sum of its proper divisors (11146286140950).

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

11121210121002 is a wasteful number, since it uses less digits than its factorization.

11121210121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089668333.

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

Adding to 11121210121002 its reverse (20012101212111), we get a palindrome (31133311333113).

The spelling of 11121210121002 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two".