101201221210 has 8 divisors (see below), whose sum is σ = 182162198196. Its totient is φ = 40480488480.

The previous prime is 101201221201. The next prime is 101201221211. The reversal of 101201221210 is 12122102101.

It can be written as a sum of positive squares in 2 ways, for example, as 81874382769 + 19326838441 = 286137^2 + 139021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (101201221211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060061051 + ... + 5060061070.

Almost surely, 2^101201221210 is an apocalyptic number.

101201221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201221210 is a deficient number, since it is larger than the sum of its proper divisors (80960976986).

101201221210 is a wasteful number, since it uses less digits than its factorization.

101201221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120122128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101201221210 its reverse (12122102101), we get a palindrome (113323323311).

The spelling of 101201221210 in words is "one hundred one billion, two hundred one million, two hundred twenty-one thousand, two hundred ten".