1001121210112 has 18 divisors (see below), whose sum is σ = 1998331791008. Its totient is φ = 500560604928.

The previous prime is 1001121210107. The next prime is 1001121210149. The reversal of 1001121210112 is 2110121211001.

It is a happy number.

1001121210112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001121210112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001121210092 and 1001121210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1955314608 + ... + 1955315119.

Almost surely, 2^{1001121210112} is an apocalyptic number.

It is an amenable number.

1001121210112 is a deficient number, since it is larger than the sum of its proper divisors (997210580896).

1001121210112 is an frugal number, since it uses more digits than its factorization.

1001121210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910629743 (or 3910629729 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1001121210112 its reverse (2110121211001), we get a palindrome (3111242421113).

The spelling of 1001121210112 in words is "one trillion, one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twelve".