1021100102102 has 8 divisors (see below), whose sum is σ = 1535916589200. Its totient is φ = 509127905704.

The previous prime is 1021100102093. The next prime is 1021100102107. The reversal of 1021100102102 is 2012010011201.

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 (1021100102107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711071777 + ... + 711073212.

It is an arithmetic number, because the mean of its divisors is an integer number (191989573650).

Almost surely, 2^{1021100102102} is an apocalyptic number.

1021100102102 is a deficient number, since it is larger than the sum of its proper divisors (514816487098).

1021100102102 is a wasteful number, since it uses less digits than its factorization.

1021100102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422145350.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021100102102 its reverse (2012010011201), we get a palindrome (3033110113303).

Subtracting 1021100102102 from its reverse (2012010011201), we obtain a palindrome (990909909099).

The spelling of 1021100102102 in words is "one trillion, twenty-one billion, one hundred million, one hundred two thousand, one hundred two".