20010002102102 has 8 divisors (see below), whose sum is σ = 30015522698112. Its totient is φ = 10004827869400.

The previous prime is 20010002102003. The next prime is 20010002102113. The reversal of 20010002102102 is 20120120001002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20010002102102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86446349 + ... + 86677512.

It is an arithmetic number, because the mean of its divisors is an integer number (3751940337264).

Almost surely, 2^{20010002102102} is an apocalyptic number.

20010002102102 is a deficient number, since it is larger than the sum of its proper divisors (10005520596010).

20010002102102 is a wasteful number, since it uses less digits than its factorization.

20010002102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173181654.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010002102102 its reverse (20120120001002), we get a palindrome (40130122103104).

The spelling of 20010002102102 in words is "twenty trillion, ten billion, two million, one hundred two thousand, one hundred two".