102012211001002 has 4 divisors (see below), whose sum is σ = 153018316501506. Its totient is φ = 51006105500500.

The previous prime is 102012211000991. The next prime is 102012211001039. The reversal of 102012211001002 is 200100112210201.

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., 95895191026881 + 6117019974121 = 9792609^2 + 2473261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503052750249 + ... + 25503052750252.

Almost surely, 2^{102012211001002} is an apocalyptic number.

102012211001002 is a deficient number, since it is larger than the sum of its proper divisors (51006105500504).

102012211001002 is an equidigital number, since it uses as much as digits as its factorization.

102012211001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006105500503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012211001002 its reverse (200100112210201), we get a palindrome (302112323211203).

The spelling of 102012211001002 in words is "one hundred two trillion, twelve billion, two hundred eleven million, one thousand, two".