202100100102002 has 8 divisors (see below), whose sum is σ = 304008932449116. Its totient is φ = 100763789285632.

The previous prime is 202100100101983. The next prime is 202100100102013. The reversal of 202100100102002 is 200201001001202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200380699936921 + 1719400165081 = 14155589^2 + 1311259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202100100102002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143130381803 + ... + 143130383214.

Almost surely, 2^{202100100102002} is an apocalyptic number.

202100100102002 is a deficient number, since it is larger than the sum of its proper divisors (101908832347114).

202100100102002 is a wasteful number, since it uses less digits than its factorization.

202100100102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286260765372.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202100100102002 its reverse (200201001001202), we get a palindrome (402301101103204).

The spelling of 202100100102002 in words is "two hundred two trillion, one hundred billion, one hundred million, one hundred two thousand, two".