100220111122012 has 24 divisors (see below), whose sum is σ = 212230823553504. Its totient is φ = 40424918771712.

The previous prime is 100220111122007. The next prime is 100220111122013. The reversal of 100220111122012 is 210221111022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220111122013) 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, 105273225493 + ... + 105273226444.

It is an arithmetic number, because the mean of its divisors is an integer number (8842950981396).

Almost surely, 2^{100220111122012} is an apocalyptic number.

It is an amenable number.

100220111122012 is an abundant number, since it is smaller than the sum of its proper divisors (112010712431492).

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

100220111122012 is a wasteful number, since it uses less digits than its factorization.

100220111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210546451965 (or 210546451963 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100220111122012 its reverse (210221111022001), we get a palindrome (310441222144013).

The spelling of 100220111122012 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, twelve".