101221110208 has 28 divisors (see below), whose sum is σ = 201030867432. Its totient is φ = 50567663360.

The previous prime is 101221110203. The next prime is 101221110217. The reversal of 101221110208 is 802011122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221110203) 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, 594010 + ... + 745177.

Almost surely, 2^101221110208 is an apocalyptic number.

It is an amenable number.

101221110208 is a deficient number, since it is larger than the sum of its proper divisors (99809757224).

101221110208 is a wasteful number, since it uses less digits than its factorization.

101221110208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340380 (or 1340370 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101221110208 its reverse (802011122101), we get a palindrome (903232232309).

The spelling of 101221110208 in words is "one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred eight".