1021001012102 has 8 divisors (see below), whose sum is σ = 1531660697136. Its totient is φ = 510447446392.

The previous prime is 1021001012077. The next prime is 1021001012111. The reversal of 1021001012102 is 2012101001201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26505773 + ... + 26544264.

It is an arithmetic number, because the mean of its divisors is an integer number (191457587142).

Almost surely, 2^{1021001012102} is an apocalyptic number.

1021001012102 is a deficient number, since it is larger than the sum of its proper divisors (510659685034).

1021001012102 is an equidigital number, since it uses as much as digits as its factorization.

1021001012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53059662.

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

Adding to 1021001012102 its reverse (2012101001201), we get a palindrome (3033102013303).

The spelling of 1021001012102 in words is "one trillion, twenty-one billion, one million, twelve thousand, one hundred two".