210102011102002 has 4 divisors (see below), whose sum is σ = 315153016653006. Its totient is φ = 105051005551000.

The previous prime is 210102011101951. The next prime is 210102011102041. The reversal of 210102011102002 is 200201110201012.

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., 150571820934441 + 59530190167561 = 12270771^2 + 7715581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525502775499 + ... + 52525502775502.

Almost surely, 2^{210102011102002} is an apocalyptic number.

210102011102002 is a deficient number, since it is larger than the sum of its proper divisors (105051005551004).

210102011102002 is a wasteful number, since it uses less digits than its factorization.

210102011102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105051005551003.

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

Adding to 210102011102002 its reverse (200201110201012), we get a palindrome (410303121303014).

The spelling of 210102011102002 in words is "two hundred ten trillion, one hundred two billion, eleven million, one hundred two thousand, two".