10102102020202 has 16 divisors (see below), whose sum is σ = 16127647185672. Its totient is φ = 4729298595840.

The previous prime is 10102102020193. The next prime is 10102102020211. The reversal of 10102102020202 is 20202020120101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10102102020193) and next prime (10102102020211).

It can be written as a sum of positive squares in 4 ways, for example, as 9648161610201 + 453940410001 = 3106149^2 + 673751^2 .

It is a super-2 number, since 2×10102102020202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769736049 + ... + 769749172.

Almost surely, 2^{10102102020202} is an apocalyptic number.

10102102020202 is a deficient number, since it is larger than the sum of its proper divisors (6025545165470).

10102102020202 is a wasteful number, since it uses less digits than its factorization.

10102102020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539485433.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10102102020202 its reverse (20202020120101), we get a palindrome (30304122140303).

The spelling of 10102102020202 in words is "ten trillion, one hundred two billion, one hundred two million, twenty thousand, two hundred two".