1000121002102 has 4 divisors (see below), whose sum is σ = 1500181503156. Its totient is φ = 500060501050.

The previous prime is 1000121002099. The next prime is 1000121002109. The reversal of 1000121002102 is 2012001210001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121002109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250030250524 + ... + 250030250527.

It is an arithmetic number, because the mean of its divisors is an integer number (375045375789).

Almost surely, 2^{1000121002102} is an apocalyptic number.

1000121002102 is a deficient number, since it is larger than the sum of its proper divisors (500060501054).

1000121002102 is an equidigital number, since it uses as much as digits as its factorization.

1000121002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500060501053.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000121002102 its reverse (2012001210001), we get a palindrome (3012122212103).

The spelling of 1000121002102 in words is "one trillion, one hundred twenty-one million, two thousand, one hundred two".