1010202100002 has 12 divisors (see below), whose sum is σ = 2188771216710. Its totient is φ = 336734033328.

The previous prime is 1010202099979. The next prime is 1010202100013. The reversal of 1010202100002 is 2000012020101.

It can be written as a sum of positive squares in only one way, i.e., 994126649481 + 16075450521 = 997059^2 + 126789^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28061169427 + ... + 28061169462.

Almost surely, 2^{1010202100002} is an apocalyptic number.

1010202100002 is an abundant number, since it is smaller than the sum of its proper divisors (1178569116708).

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

1010202100002 is a wasteful number, since it uses less digits than its factorization.

1010202100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56122338897 (or 56122338894 counting only the distinct ones).

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

Adding to 1010202100002 its reverse (2000012020101), we get a palindrome (3010214120103).

It can be divided in two parts, 101020 and 2100002, that added together give a palindrome (2201022).

The spelling of 1010202100002 in words is "one trillion, ten billion, two hundred two million, one hundred thousand, two".