101020020212 has 12 divisors (see below), whose sum is σ = 181096865796. Its totient is φ = 49278058560.

The previous prime is 101020020197. The next prime is 101020020259. The reversal of 101020020212 is 212020020101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54608211856 + 46411808356 = 233684^2 + 215434^2 .

It is a super-3 number, since 3×101020020212³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101020020193 and 101020020202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 307987703 + ... + 307988030.

It is an arithmetic number, because the mean of its divisors is an integer number (15091405483).

Almost surely, 2^101020020212 is an apocalyptic number.

It is an amenable number.

101020020212 is a deficient number, since it is larger than the sum of its proper divisors (80076845584).

101020020212 is a wasteful number, since it uses less digits than its factorization.

101020020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615975778 (or 615975776 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101020020212 its reverse (212020020101), we get a palindrome (313040040313).

The spelling of 101020020212 in words is "one hundred one billion, twenty million, twenty thousand, two hundred twelve".