1000121101112 has 32 divisors (see below), whose sum is σ = 2143149611520. Its totient is φ = 428616735840.

The previous prime is 1000121101043. The next prime is 1000121101117. The reversal of 1000121101112 is 2111011210001.

It is a junction number, because it is equal to n+sod(n) for n = 1000121101093 and 1000121101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121101117) 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, 5829437 + ... + 5998547.

It is an arithmetic number, because the mean of its divisors is an integer number (66973425360).

Almost surely, 2^{1000121101112} is an apocalyptic number.

It is an amenable number.

1000121101112 is an abundant number, since it is smaller than the sum of its proper divisors (1143028510408).

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

1000121101112 is a wasteful number, since it uses less digits than its factorization.

1000121101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274731 (or 274727 counting only the distinct ones).

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

Adding to 1000121101112 its reverse (2111011210001), we get a palindrome (3111132311113).

The spelling of 1000121101112 in words is "one trillion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".