220101124 has 6 divisors (see below), whose sum is σ = 385176974. Its totient is φ = 110050560.

The previous prime is 220101121. The next prime is 220101131. The reversal of 220101124 is 421101022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 169833024 + 50268100 = 13032^2 + 7090^2 .

It is not an unprimeable number, because it can be changed into a prime (220101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512637 + ... + 27512644.

Almost surely, 2^220101124 is an apocalyptic number.

It is an amenable number.

220101124 is a deficient number, since it is larger than the sum of its proper divisors (165075850).

220101124 is a wasteful number, since it uses less digits than its factorization.

220101124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55025285 (or 55025283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220101124 is about 14835.8054718980. The cubic root of 220101124 is about 603.7735544280.

Adding to 220101124 its reverse (421101022), we get a palindrome (641202146).

The spelling of 220101124 in words is "two hundred twenty million, one hundred one thousand, one hundred twenty-four".