1010020002102 has 24 divisors (see below), whose sum is σ = 2269427660136. Its totient is φ = 336673333872.

The previous prime is 1010020002053. The next prime is 1010020002107. The reversal of 1010020002102 is 2012000200101.

1010020002102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1010020002102² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020002107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039114743 + ... + 1039115714.

It is an arithmetic number, because the mean of its divisors is an integer number (94559485839).

Almost surely, 2^{1010020002102} is an apocalyptic number.

1010020002102 is an abundant number, since it is smaller than the sum of its proper divisors (1259407658034).

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

1010020002102 is an equidigital number, since it uses as much as digits as its factorization.

1010020002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078230474 (or 2078230462 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1010020002102 its reverse (2012000200101), we get a palindrome (3022020202203).

The spelling of 1010020002102 in words is "one trillion, ten billion, twenty million, two thousand, one hundred two".