1012221100102 has 8 divisors (see below), whose sum is σ = 1518339789216. Its totient is φ = 506107837032.

The previous prime is 1012221100087. The next prime is 1012221100109. The reversal of 1012221100102 is 2010011222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012221100109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852718 + ... + 1658785.

It is an arithmetic number, because the mean of its divisors is an integer number (189792473652).

Almost surely, 2^{1012221100102} is an apocalyptic number.

1012221100102 is a deficient number, since it is larger than the sum of its proper divisors (506118689114).

1012221100102 is a wasteful number, since it uses less digits than its factorization.

1012221100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012221100102 its reverse (2010011222101), we get a palindrome (3022232322203).

The spelling of 1012221100102 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred thousand, one hundred two".