102111011122202 has 4 divisors (see below), whose sum is σ = 153166516683306. Its totient is φ = 51055505561100.

The previous prime is 102111011122201. The next prime is 102111011122229. The reversal of 102111011122202 is 202221110111201.

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., 70152668766961 + 31958342355241 = 8375719^2 + 5653171^2 .

It is not an unprimeable number, because it can be changed into a prime (102111011122201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527752780549 + ... + 25527752780552.

Almost surely, 2^{102111011122202} is an apocalyptic number.

102111011122202 is a deficient number, since it is larger than the sum of its proper divisors (51055505561104).

102111011122202 is an equidigital number, since it uses as much as digits as its factorization.

102111011122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51055505561103.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102111011122202 its reverse (202221110111201), we get a palindrome (304332121233403).

The spelling of 102111011122202 in words is "one hundred two trillion, one hundred eleven billion, eleven million, one hundred twenty-two thousand, two hundred two".