101220321124 has 48 divisors (see below), whose sum is σ = 191248985088. Its totient is φ = 46597845888.

The previous prime is 101220321101. The next prime is 101220321127. The reversal of 101220321124 is 421123022101.

It is not an unprimeable number, because it can be changed into a prime (101220321127) 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, 62986329 + ... + 62987935.

It is an arithmetic number, because the mean of its divisors is an integer number (3984353856).

Almost surely, 2^101220321124 is an apocalyptic number.

It is an amenable number.

101220321124 is a deficient number, since it is larger than the sum of its proper divisors (90028663964).

101220321124 is a wasteful number, since it uses less digits than its factorization.

101220321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101220321124 its reverse (421123022101), we get a palindrome (522343343225).

The spelling of 101220321124 in words is "one hundred one billion, two hundred twenty million, three hundred twenty-one thousand, one hundred twenty-four".