10101220201012 has 12 divisors (see below), whose sum is σ = 17678407093956. Its totient is φ = 5050246745600.

The previous prime is 10101220200961. The next prime is 10101220201019. The reversal of 10101220201012 is 21010202210101.

It can be written as a sum of positive squares in 2 ways, for example, as 8649739809936 + 1451480391076 = 2941044^2 + 1204774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10101220200983 and 10101220201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220201019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90776173 + ... + 90887380.

It is an arithmetic number, because the mean of its divisors is an integer number (1473200591163).

Almost surely, 2^{10101220201012} is an apocalyptic number.

It is an amenable number.

10101220201012 is a deficient number, since it is larger than the sum of its proper divisors (7577186892944).

10101220201012 is a wasteful number, since it uses less digits than its factorization.

10101220201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181677458 (or 181677456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10101220201012 its reverse (21010202210101), we get a palindrome (31111422411113).

The spelling of 10101220201012 in words is "ten trillion, one hundred one billion, two hundred twenty million, two hundred one thousand, twelve".