1021011111102 has 32 divisors (see below), whose sum is σ = 2082262141440. Its totient is φ = 333695815200.

The previous prime is 1021011111047. The next prime is 1021011111137. The reversal of 1021011111102 is 2011111101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8116402 + ... + 8241237.

It is an arithmetic number, because the mean of its divisors is an integer number (65070691920).

Almost surely, 2^{1021011111102} is an apocalyptic number.

1021011111102 is an abundant number, since it is smaller than the sum of its proper divisors (1061251030338).

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

1021011111102 is a wasteful number, since it uses less digits than its factorization.

1021011111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357848.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1021011111102 its reverse (2011111101201), we get a palindrome (3032122212303).

Subtracting 1021011111102 from its reverse (2011111101201), we obtain a palindrome (990099990099).

The spelling of 1021011111102 in words is "one trillion, twenty-one billion, eleven million, one hundred eleven thousand, one hundred two".