101022220004 has 6 divisors (see below), whose sum is σ = 176788885014. Its totient is φ = 50511110000.

The previous prime is 101022220001. The next prime is 101022220009. The reversal of 101022220004 is 400022220101.

It can be written as a sum of positive squares in only one way, i.e., 79609751104 + 21412468900 = 282152^2 + 146330^2 .

It is not an unprimeable number, because it can be changed into a prime (101022220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627777497 + ... + 12627777504.

It is an arithmetic number, because the mean of its divisors is an integer number (29464814169).

Almost surely, 2^101022220004 is an apocalyptic number.

It is an amenable number.

101022220004 is a deficient number, since it is larger than the sum of its proper divisors (75766665010).

101022220004 is a wasteful number, since it uses less digits than its factorization.

101022220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255555005 (or 25255555003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 101022220004 its reverse (400022220101), we get a palindrome (501044440105).

The spelling of 101022220004 in words is "one hundred one billion, twenty-two million, two hundred twenty thousand, four".