102012211011002 has 4 divisors (see below), whose sum is σ = 153018316516506. Its totient is φ = 51006105505500.

The previous prime is 102012211011001. The next prime is 102012211011017. The reversal of 102012211011002 is 200110112210201.

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., 93141588678121 + 8870622332881 = 9650989^2 + 2978359^2 .

It is not an unprimeable number, because it can be changed into a prime (102012211011001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503052752749 + ... + 25503052752752.

Almost surely, 2^{102012211011002} is an apocalyptic number.

102012211011002 is a deficient number, since it is larger than the sum of its proper divisors (51006105505504).

102012211011002 is an equidigital number, since it uses as much as digits as its factorization.

102012211011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006105505503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102012211011002 its reverse (200110112210201), we get a palindrome (302122323221203).

The spelling of 102012211011002 in words is "one hundred two trillion, twelve billion, two hundred eleven million, eleven thousand, two".