11121220121102 has 16 divisors (see below), whose sum is σ = 20531483300832. Its totient is φ = 4399603564320.

The previous prime is 11121220121093. The next prime is 11121220121107. The reversal of 11121220121102 is 20112102212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121220121107) 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, 30552802349 + ... + 30552802712.

It is an arithmetic number, because the mean of its divisors is an integer number (1283217706302).

Almost surely, 2^{11121220121102} is an apocalyptic number.

11121220121102 is a deficient number, since it is larger than the sum of its proper divisors (9410263179730).

11121220121102 is a wasteful number, since it uses less digits than its factorization.

11121220121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105605083.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121220121102 its reverse (20112102212111), we get a palindrome (31233322333213).

The spelling of 11121220121102 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".