100010001021002 has 4 divisors (see below), whose sum is σ = 150015001531506. Its totient is φ = 50005000510500.

The previous prime is 100010001020989. The next prime is 100010001021031. The reversal of 100010001021002 is 200120100010001.

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., 98974025147761 + 1035975873241 = 9948569^2 + 1017829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002500255249 + ... + 25002500255252.

Almost surely, 2^{100010001021002} is an apocalyptic number.

100010001021002 is a deficient number, since it is larger than the sum of its proper divisors (50005000510504).

100010001021002 is an equidigital number, since it uses as much as digits as its factorization.

100010001021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50005000510503.

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

Adding to 100010001021002 its reverse (200120100010001), we get a palindrome (300130101031003).

The spelling of 100010001021002 in words is "one hundred trillion, ten billion, one million, twenty-one thousand, two".