101011223100212 has 6 divisors (see below), whose sum is σ = 176769640425378. Its totient is φ = 50505611550104.

The previous prime is 101011223100191. The next prime is 101011223100217. The reversal of 101011223100212 is 212001322110101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53104974483856 + 47906248616356 = 7287316^2 + 6921434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011223100217) 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 as a sum of consecutive naturals, namely, 12626402887523 + ... + 12626402887530.

It is an arithmetic number, because the mean of its divisors is an integer number (29461606737563).

Almost surely, 2^{101011223100212} is an apocalyptic number.

It is an amenable number.

101011223100212 is a deficient number, since it is larger than the sum of its proper divisors (75758417325166).

101011223100212 is a wasteful number, since it uses less digits than its factorization.

101011223100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252805775057 (or 25252805775055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101011223100212 its reverse (212001322110101), we get a palindrome (313012545210313).

The spelling of 101011223100212 in words is "one hundred one trillion, eleven billion, two hundred twenty-three million, one hundred thousand, two hundred twelve".