1001011002102 has 24 divisors (see below), whose sum is σ = 2171313442584. Its totient is φ = 333292446144.

The previous prime is 1001011002053. The next prime is 1001011002151. The reversal of 1001011002102 is 2012001101001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1001011002053) and next prime (1001011002151).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31474323 + ... + 31506110.

It is an arithmetic number, because the mean of its divisors is an integer number (90471393441).

Almost surely, 2^{1001011002102} is an apocalyptic number.

1001011002102 is an abundant number, since it is smaller than the sum of its proper divisors (1170302440482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001011002102 is a wasteful number, since it uses less digits than its factorization.

1001011002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62981324 (or 62981321 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001011002102 its reverse (2012001101001), we get a palindrome (3013012103103).

The spelling of 1001011002102 in words is "one trillion, one billion, eleven million, two thousand, one hundred two".