102210221012002 has 4 divisors (see below), whose sum is σ = 153315331518006. Its totient is φ = 51105110506000.

The previous prime is 102210221011981. The next prime is 102210221012017. The reversal of 102210221012002 is 200210122012201.

It is a happy number.

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., 78716802318001 + 23493418694001 = 8872249^2 + 4847001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552555252999 + ... + 25552555253002.

Almost surely, 2^{102210221012002} is an apocalyptic number.

102210221012002 is a deficient number, since it is larger than the sum of its proper divisors (51105110506004).

102210221012002 is an equidigital number, since it uses as much as digits as its factorization.

102210221012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105110506003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102210221012002 its reverse (200210122012201), we get a palindrome (302420343024203).

The spelling of 102210221012002 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, two".