11121121002 has 16 divisors (see below), whose sum is σ = 23412886560. Its totient is φ = 3511932912.

The previous prime is 11121120991. The next prime is 11121121007. The reversal of 11121121002 is 20012112111.

It is a super-2 number, since 2×11121121002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121121007) 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, 48776733 + ... + 48776960.

It is an arithmetic number, because the mean of its divisors is an integer number (1463305410).

Almost surely, 2^11121121002 is an apocalyptic number.

11121121002 is an abundant number, since it is smaller than the sum of its proper divisors (12291765558).

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

11121121002 is a wasteful number, since it uses less digits than its factorization.

11121121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97553717.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121121002 its reverse (20012112111), we get a palindrome (31133233113).

The spelling of 11121121002 in words is "eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, two".