102011310122 has 4 divisors (see below), whose sum is σ = 153016965186. Its totient is φ = 51005655060.

The previous prime is 102011310097. The next prime is 102011310131. The reversal of 102011310122 is 221013110201.

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., 73250881201 + 28760428921 = 270649^2 + 169589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102011310097 and 102011310106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502827529 + ... + 25502827532.

Almost surely, 2^102011310122 is an apocalyptic number.

102011310122 is a deficient number, since it is larger than the sum of its proper divisors (51005655064).

102011310122 is an equidigital number, since it uses as much as digits as its factorization.

102011310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51005655063.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102011310122 its reverse (221013110201), we get a palindrome (323024420323).

The spelling of 102011310122 in words is "one hundred two billion, eleven million, three hundred ten thousand, one hundred twenty-two".