102002211331 has 4 divisors (see below), whose sum is σ = 102530720392. Its totient is φ = 101473702272.

The previous prime is 102002211313. The next prime is 102002211359. The reversal of 102002211331 is 133112200201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133112200201 = 29 ⋅4590075869.

It is a cyclic number.

It is not a de Polignac number, because 102002211331 - 2²⁹ = 101465340419 is a prime.

It is a super-2 number, since 2×102002211331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002211371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264254241 + ... + 264254626.

It is an arithmetic number, because the mean of its divisors is an integer number (25632680098).

Almost surely, 2^102002211331 is an apocalyptic number.

102002211331 is a deficient number, since it is larger than the sum of its proper divisors (528509061).

102002211331 is an equidigital number, since it uses as much as digits as its factorization.

102002211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528509060.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102002211331 its reverse (133112200201), we get a palindrome (235114411532).

The spelling of 102002211331 in words is "one hundred two billion, two million, two hundred eleven thousand, three hundred thirty-one".