102002211031012 has 6 divisors (see below), whose sum is σ = 178503869304278. Its totient is φ = 51001105515504.

The previous prime is 102002211031001. The next prime is 102002211031073. The reversal of 102002211031012 is 210130112200201.

It can be written as a sum of positive squares in only one way, i.e., 89025905105316 + 12976305925696 = 9435354^2 + 3602264^2 .

It is a super-2 number, since 2×102002211031012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750276378873 + ... + 12750276378880.

Almost surely, 2^{102002211031012} is an apocalyptic number.

It is an amenable number.

102002211031012 is a deficient number, since it is larger than the sum of its proper divisors (76501658273266).

102002211031012 is a wasteful number, since it uses less digits than its factorization.

102002211031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500552757757 (or 25500552757755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102002211031012 its reverse (210130112200201), we get a palindrome (312132323231213).

The spelling of 102002211031012 in words is "one hundred two trillion, two billion, two hundred eleven million, thirty-one thousand, twelve".