1021011102102 has 16 divisors (see below), whose sum is σ = 2044616905152. Its totient is φ = 339904583880.

The previous prime is 1021011102073. The next prime is 1021011102121. The reversal of 1021011102102 is 2012011101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108107424 + ... + 108116867.

It is an arithmetic number, because the mean of its divisors is an integer number (127788556572).

Almost surely, 2^{1021011102102} is an apocalyptic number.

1021011102102 is an abundant number, since it is smaller than the sum of its proper divisors (1023605803050).

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

1021011102102 is a wasteful number, since it uses less digits than its factorization.

1021011102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216225083.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021011102102 its reverse (2012011101201), we get a palindrome (3033022203303).

Subtracting 1021011102102 from its reverse (2012011101201), we obtain a palindrome (990999999099).

The spelling of 1021011102102 in words is "one trillion, twenty-one billion, eleven million, one hundred two thousand, one hundred two".