210202021211102 has 4 divisors (see below), whose sum is σ = 315303031816656. Its totient is φ = 105101010605550.

The previous prime is 210202021211099. The next prime is 210202021211113. The reversal of 210202021211102 is 201112120202012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52550505302774 + ... + 52550505302777.

It is an arithmetic number, because the mean of its divisors is an integer number (78825757954164).

Almost surely, 2^{210202021211102} is an apocalyptic number.

210202021211102 is a deficient number, since it is larger than the sum of its proper divisors (105101010605554).

210202021211102 is a wasteful number, since it uses less digits than its factorization.

210202021211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105101010605553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210202021211102 its reverse (201112120202012), we get a palindrome (411314141413114).

The spelling of 210202021211102 in words is "two hundred ten trillion, two hundred two billion, twenty-one million, two hundred eleven thousand, one hundred two".