101010210220 has 24 divisors (see below), whose sum is σ = 212300195184. Its totient is φ = 40370035776.

The previous prime is 101010210211. The next prime is 101010210221. The reversal of 101010210220 is 22012010101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101010210197 and 101010210206.

It is not an unprimeable number, because it can be changed into a prime (101010210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103687 + ... + 2151166.

It is an arithmetic number, because the mean of its divisors is an integer number (8845841466).

Almost surely, 2^101010210220 is an apocalyptic number.

101010210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010210220 is an abundant number, since it is smaller than the sum of its proper divisors (111289984964).

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

101010210220 is a wasteful number, since it uses less digits than its factorization.

101010210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256049 (or 4256047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101010210220 its reverse (22012010101), we get a palindrome (123022220321).

The spelling of 101010210220 in words is "one hundred one billion, ten million, two hundred ten thousand, two hundred twenty".