1000121000102 has 48 divisors (see below), whose sum is σ = 1800483824160. Its totient is φ = 407665665792.

The previous prime is 1000121000059. The next prime is 1000121000111. The reversal of 1000121000102 is 2010001210001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000121000102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548158 + ... + 2096910.

It is an arithmetic number, because the mean of its divisors is an integer number (37510079670).

Almost surely, 2^{1000121000102} is an apocalyptic number.

1000121000102 is a deficient number, since it is larger than the sum of its proper divisors (800362824058).

1000121000102 is an equidigital number, since it uses as much as digits as its factorization.

1000121000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548925 (or 548858 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000121000102 its reverse (2010001210001), we get a palindrome (3010122210103).

The spelling of 1000121000102 in words is "one trillion, one hundred twenty-one million, one hundred two", and thus it is an aban number.