101320210011220 has 24 divisors (see below), whose sum is σ = 217962012757608. Its totient is φ = 39539594150400.

The previous prime is 101320210011203. The next prime is 101320210011227. The reversal of 101320210011220 is 22110012023101.

It can be written as a sum of positive squares in 4 ways, for example, as 6774963471376 + 94545246539844 = 2602876^2 + 9723438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101320210011194 and 101320210011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320210011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61780615041 + ... + 61780616680.

It is an arithmetic number, because the mean of its divisors is an integer number (9081750531567).

Almost surely, 2^{101320210011220} is an apocalyptic number.

101320210011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101320210011220 is an abundant number, since it is smaller than the sum of its proper divisors (116641802746388).

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

101320210011220 is a wasteful number, since it uses less digits than its factorization.

101320210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123561231771 (or 123561231769 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101320210011220 its reverse (22110012023101), we get a palindrome (123430222034321).

The spelling of 101320210011220 in words is "one hundred one trillion, three hundred twenty billion, two hundred ten million, eleven thousand, two hundred twenty".