11121000220122 has 64 divisors (see below), whose sum is σ = 24003723534336. Its totient is φ = 3414590907840.

The previous prime is 11121000220103. The next prime is 11121000220147. The reversal of 11121000220122 is 22102200012111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410491797 + ... + 410518887.

It is an arithmetic number, because the mean of its divisors is an integer number (375058180224).

Almost surely, 2^{11121000220122} is an apocalyptic number.

11121000220122 is an abundant number, since it is smaller than the sum of its proper divisors (12882723314214).

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

11121000220122 is a wasteful number, since it uses less digits than its factorization.

11121000220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38075.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11121000220122 its reverse (22102200012111), we get a palindrome (33223200232233).

The spelling of 11121000220122 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty thousand, one hundred twenty-two".