1100121001112 has 32 divisors (see below), whose sum is σ = 2367183925920. Its totient is φ = 469524072960.

The previous prime is 1100121001103. The next prime is 1100121001123. The reversal of 1100121001112 is 2111001210011.

It is a junction number, because it is equal to n+sod(n) for n = 1100121001093 and 1100121001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40743803 + ... + 40770794.

It is an arithmetic number, because the mean of its divisors is an integer number (73974497685).

Almost surely, 2^{1100121001112} is an apocalyptic number.

It is an amenable number.

1100121001112 is an abundant number, since it is smaller than the sum of its proper divisors (1267062924808).

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

1100121001112 is a wasteful number, since it uses less digits than its factorization.

1100121001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81514851 (or 81514847 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100121001112 its reverse (2111001210011), we get a palindrome (3211122211123).

The spelling of 1100121001112 in words is "one trillion, one hundred billion, one hundred twenty-one million, one thousand, one hundred twelve".