101221022204 has 48 divisors (see below), whose sum is σ = 186252786720. Its totient is φ = 48068321280.

The previous prime is 101221022191. The next prime is 101221022263. The reversal of 101221022204 is 402220122101.

It is a super-2 number, since 2×101221022204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220764 + ... + 2265884.

It is an arithmetic number, because the mean of its divisors is an integer number (3880266390).

Almost surely, 2^101221022204 is an apocalyptic number.

It is an amenable number.

101221022204 is a deficient number, since it is larger than the sum of its proper divisors (85031764516).

101221022204 is a wasteful number, since it uses less digits than its factorization.

101221022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45470 (or 45468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101221022204 its reverse (402220122101), we get a palindrome (503441144305).

The spelling of 101221022204 in words is "one hundred one billion, two hundred twenty-one million, twenty-two thousand, two hundred four".