102201121212202 has 4 divisors (see below), whose sum is σ = 153301681818306. Its totient is φ = 51100560606100.

The previous prime is 102201121212199. The next prime is 102201121212259. The reversal of 102201121212202 is 202212121102201.

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., 96507223268481 + 5693897943721 = 9823809^2 + 2386189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102201121212202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550280303049 + ... + 25550280303052.

Almost surely, 2^{102201121212202} is an apocalyptic number.

102201121212202 is a deficient number, since it is larger than the sum of its proper divisors (51100560606104).

102201121212202 is an equidigital number, since it uses as much as digits as its factorization.

102201121212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51100560606103.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102201121212202 its reverse (202212121102201), we get a palindrome (304413242314403).

The spelling of 102201121212202 in words is "one hundred two trillion, two hundred one billion, one hundred twenty-one million, two hundred twelve thousand, two hundred two".