102021211110202 has 8 divisors (see below), whose sum is σ = 153123507393300. Its totient is φ = 50980041979104.

The previous prime is 102021211110197. The next prime is 102021211110253. The reversal of 102021211110202 is 202011112120201.

It can be written as a sum of positive squares in 2 ways, for example, as 90407217409441 + 11613993700761 = 9508271^2 + 3407931^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15281783827 + ... + 15281790502.

Almost surely, 2^{102021211110202} is an apocalyptic number.

102021211110202 is a deficient number, since it is larger than the sum of its proper divisors (51102296283098).

102021211110202 is a wasteful number, since it uses less digits than its factorization.

102021211110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30563576000.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102021211110202 its reverse (202011112120201), we get a palindrome (304032323230403).

The spelling of 102021211110202 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred ten thousand, two hundred two".