100220121211012 has 96 divisors (see below), whose sum is σ = 194363061580800. Its totient is φ = 44834573347200.

The previous prime is 100220121210991. The next prime is 100220121211061. The reversal of 100220121211012 is 210112121022001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7177542343 + ... + 7177556305.

It is an arithmetic number, because the mean of its divisors is an integer number (2024615224800).

Almost surely, 2^{100220121211012} is an apocalyptic number.

It is an amenable number.

100220121211012 is a deficient number, since it is larger than the sum of its proper divisors (94142940369788).

100220121211012 is a wasteful number, since it uses less digits than its factorization.

100220121211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17897 (or 17895 counting only the distinct ones).

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

Adding to 100220121211012 its reverse (210112121022001), we get a palindrome (310332242233013).

The spelling of 100220121211012 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, two hundred eleven thousand, twelve".