102122100220202 has 8 divisors (see below), whose sum is σ = 153183903502500. Its totient is φ = 51060799052704.

The previous prime is 102122100220157. The next prime is 102122100220277. The reversal of 102122100220202 is 202022001221201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100563170678161 + 1558929542041 = 10028119^2 + 1248571^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125019827 + ... + 125834022.

Almost surely, 2^{102122100220202} is an apocalyptic number.

102122100220202 is a deficient number, since it is larger than the sum of its proper divisors (51061803282298).

102122100220202 is a wasteful number, since it uses less digits than its factorization.

102122100220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251057400.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102122100220202 its reverse (202022001221201), we get a palindrome (304144101441403).

The spelling of 102122100220202 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, two hundred two".