100020010101210 has 96 divisors (see below), whose sum is σ = 260206920372672. Its totient is φ = 26656118691840.

The previous prime is 100020010101199. The next prime is 100020010101223. The reversal of 100020010101210 is 12101010020001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 100020010101192 and 100020010101201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2765945530 + ... + 2765981690.

It is an arithmetic number, because the mean of its divisors is an integer number (2710488753882).

Almost surely, 2^{100020010101210} is an apocalyptic number.

100020010101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020010101210 is an abundant number, since it is smaller than the sum of its proper divisors (160186910271462).

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

100020010101210 is a wasteful number, since it uses less digits than its factorization.

100020010101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53628 (or 53625 counting only the distinct ones).

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

Adding to 100020010101210 its reverse (12101010020001), we get a palindrome (112121020121211).

The spelling of 100020010101210 in words is "one hundred trillion, twenty billion, ten million, one hundred one thousand, two hundred ten".