102002212100002 has 32 divisors (see below), whose sum is σ = 154301453132400. Its totient is φ = 50569616563200.

The previous prime is 102002212099967. The next prime is 102002212100039. The reversal of 102002212100002 is 200001212200201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 68920032672481 + 33082179427521 = 8301809^2 + 5751711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452368118 + ... + 2452409710.

Almost surely, 2^{102002212100002} is an apocalyptic number.

102002212100002 is a deficient number, since it is larger than the sum of its proper divisors (52299241032398).

102002212100002 is a wasteful number, since it uses less digits than its factorization.

102002212100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56038.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102002212100002 its reverse (200001212200201), we get a palindrome (302003424300203).

The spelling of 102002212100002 in words is "one hundred two trillion, two billion, two hundred twelve million, one hundred thousand, two".