102002031211 has 16 divisors (see below), whose sum is σ = 108211360320. Its totient is φ = 95816151040.

The previous prime is 102002031203. The next prime is 102002031247. The reversal of 102002031211 is 112130200201.

It is a cyclic number.

It is not a de Polignac number, because 102002031211 - 2³ = 102002031203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002031191 and 102002031200.

It is not an unprimeable number, because it can be changed into a prime (102002031281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28482441 + ... + 28486021.

It is an arithmetic number, because the mean of its divisors is an integer number (6763210020).

Almost surely, 2^102002031211 is an apocalyptic number.

102002031211 is a deficient number, since it is larger than the sum of its proper divisors (6209329109).

102002031211 is a wasteful number, since it uses less digits than its factorization.

102002031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102002031211 its reverse (112130200201), we get a palindrome (214132231412).

The spelling of 102002031211 in words is "one hundred two billion, two million, thirty-one thousand, two hundred eleven".