101203212210 has 128 divisors (see below), whose sum is σ = 262715457024. Its totient is φ = 24855367680.

The previous prime is 101203212167. The next prime is 101203212211. The reversal of 101203212210 is 12212302101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101203212210.

It is not an unprimeable number, because it can be changed into a prime (101203212211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10726195 + ... + 10735625.

It is an arithmetic number, because the mean of its divisors is an integer number (2052464508).

Almost surely, 2^101203212210 is an apocalyptic number.

101203212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101203212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131357728512).

101203212210 is an abundant number, since it is smaller than the sum of its proper divisors (161512244814).

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

101203212210 is a wasteful number, since it uses less digits than its factorization.

101203212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101203212210 its reverse (12212302101), we get a palindrome (113415514311).

The spelling of 101203212210 in words is "one hundred one billion, two hundred three million, two hundred twelve thousand, two hundred ten".