1111120121132 has 72 divisors (see below), whose sum is σ = 2330088805632. Its totient is φ = 454112128800.

The previous prime is 1111120121117. The next prime is 1111120121149. The reversal of 1111120121132 is 2311210211111.

It is a super-2 number, since 2×1111120121132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111120121132.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4789457 + ... + 5016087.

Almost surely, 2^{1111120121132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111120121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165044402816).

1111120121132 is an abundant number, since it is smaller than the sum of its proper divisors (1218968684500).

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

1111120121132 is a wasteful number, since it uses less digits than its factorization.

1111120121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227019 (or 226994 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1111120121132 its reverse (2311210211111), we get a palindrome (3422330332243).

The spelling of 1111120121132 in words is "one trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-two".