101220020210 has 16 divisors (see below), whose sum is σ = 183586848192. Its totient is φ = 40178938800.

The previous prime is 101220020201. The next prime is 101220020219. The reversal of 101220020210 is 12020022101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101220020201) and next prime (101220020219).

It is a junction number, because it is equal to n+sod(n) for n = 101220020191 and 101220020200.

It is not an unprimeable number, because it can be changed into a prime (101220020219) 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 7 ways as a sum of consecutive naturals, for example, 38632286 + ... + 38634905.

It is an arithmetic number, because the mean of its divisors is an integer number (11474178012).

Almost surely, 2^101220020210 is an apocalyptic number.

101220020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220020210 is a deficient number, since it is larger than the sum of its proper divisors (82366827982).

101220020210 is a wasteful number, since it uses less digits than its factorization.

101220020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77267329.

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

Adding to 101220020210 its reverse (12020022101), we get a palindrome (113240042311).

The spelling of 101220020210 in words is "one hundred one billion, two hundred twenty million, twenty thousand, two hundred ten".