11121210121122 has 24 divisors (see below), whose sum is σ = 24096462923520. Its totient is φ = 3706991938680.

The previous prime is 11121210121093. The next prime is 11121210121123. The reversal of 11121210121122 is 22112101212111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11121210121095 and 11121210121104.

It is not an unprimeable number, because it can be changed into a prime (11121210121123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5627154 + ... + 7342157.

It is an arithmetic number, because the mean of its divisors is an integer number (1004019288480).

Almost surely, 2^{11121210121122} is an apocalyptic number.

11121210121122 is an abundant number, since it is smaller than the sum of its proper divisors (12975252802398).

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

11121210121122 is a wasteful number, since it uses less digits than its factorization.

11121210121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016958 (or 13016955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11121210121122 its reverse (22112101212111), we get a palindrome (33233311333233).

The spelling of 11121210121122 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".