100011121012 has 24 divisors (see below), whose sum is σ = 191581985952. Its totient is φ = 45304442400.

The previous prime is 100011120997. The next prime is 100011121031. The reversal of 100011121012 is 210121110001.

It is a self number, because there is not a number n which added to its sum of digits gives 100011121012.

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, 3865914 + ... + 3891697.

It is an arithmetic number, because the mean of its divisors is an integer number (7982582748).

Almost surely, 2^100011121012 is an apocalyptic number.

It is an amenable number.

100011121012 is a deficient number, since it is larger than the sum of its proper divisors (91570864940).

100011121012 is a wasteful number, since it uses less digits than its factorization.

100011121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757919 (or 7757917 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100011121012 its reverse (210121110001), we get a palindrome (310132231013).

The spelling of 100011121012 in words is "one hundred billion, eleven million, one hundred twenty-one thousand, twelve".