101221110204 has 48 divisors (see below), whose sum is σ = 243685048320. Its totient is φ = 32684708160.

The previous prime is 101221110203. The next prime is 101221110217. The reversal of 101221110204 is 402011122101.

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 15 ways as a sum of consecutive naturals, for example, 957052 + ... + 1057539.

It is an arithmetic number, because the mean of its divisors is an integer number (5076771840).

Almost surely, 2^101221110204 is an apocalyptic number.

It is an amenable number.

101221110204 is an abundant number, since it is smaller than the sum of its proper divisors (142463938116).

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

101221110204 is a wasteful number, since it uses less digits than its factorization.

101221110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014730 (or 2014728 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101221110204 its reverse (402011122101), we get a palindrome (503232232305).

The spelling of 101221110204 in words is "one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred four".