1002101121002 has 4 divisors (see below), whose sum is σ = 1503151681506. Its totient is φ = 501050560500.

The previous prime is 1002101120987. The next prime is 1002101121029. The reversal of 1002101121002 is 2001211012001.

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

It can be written as a sum of positive squares in only one way, i.e., 794738373361 + 207362747641 = 891481^2 + 455371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250525280249 + ... + 250525280252.

Almost surely, 2^{1002101121002} is an apocalyptic number.

1002101121002 is a deficient number, since it is larger than the sum of its proper divisors (501050560504).

1002101121002 is an equidigital number, since it uses as much as digits as its factorization.

1002101121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501050560503.

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

Adding to 1002101121002 its reverse (2001211012001), we get a palindrome (3003312133003).

The spelling of 1002101121002 in words is "one trillion, two billion, one hundred one million, one hundred twenty-one thousand, two".