101011212012210 has 32 divisors (see below), whose sum is σ = 255186219821760. Its totient is φ = 25518621981888.

The previous prime is 101011212012203. The next prime is 101011212012241. The reversal of 101011212012210 is 12210212110101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101011212012210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88606325757 + ... + 88606326896.

It is an arithmetic number, because the mean of its divisors is an integer number (7974569369430).

Almost surely, 2^{101011212012210} is an apocalyptic number.

101011212012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101011212012210 is an abundant number, since it is smaller than the sum of its proper divisors (154175007809550).

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

101011212012210 is a wasteful number, since it uses less digits than its factorization.

101011212012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177212652682.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101011212012210 its reverse (12210212110101), we get a palindrome (113221424122311).

The spelling of 101011212012210 in words is "one hundred one trillion, eleven billion, two hundred twelve million, twelve thousand, two hundred ten".