100020111122012 has 6 divisors (see below), whose sum is σ = 175035194463528. Its totient is φ = 50010055561004.

The previous prime is 100020111121919. The next prime is 100020111122059. The reversal of 100020111122012 is 210221111020001.

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, 12502513890248 + ... + 12502513890255.

It is an arithmetic number, because the mean of its divisors is an integer number (29172532410588).

Almost surely, 2^{100020111122012} is an apocalyptic number.

It is an amenable number.

100020111122012 is a deficient number, since it is larger than the sum of its proper divisors (75015083341516).

100020111122012 is a wasteful number, since it uses less digits than its factorization.

100020111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005027780507 (or 25005027780505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100020111122012 its reverse (210221111020001), we get a palindrome (310241222142013).

The spelling of 100020111122012 in words is "one hundred trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, twelve".