101422021124 has 24 divisors (see below), whose sum is σ = 180475745688. Its totient is φ = 49858237440.

The previous prime is 101422021111. The next prime is 101422021133. The reversal of 101422021124 is 421120224101.

It can be written as a sum of positive squares in 4 ways, for example, as 245862400 + 101176158724 = 15680^2 + 318082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101422021096 and 101422021105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486932 + ... + 663284.

It is an arithmetic number, because the mean of its divisors is an integer number (7519822737).

Almost surely, 2^101422021124 is an apocalyptic number.

It is an amenable number.

101422021124 is a deficient number, since it is larger than the sum of its proper divisors (79053724564).

101422021124 is a wasteful number, since it uses less digits than its factorization.

101422021124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178775 (or 178773 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101422021124 its reverse (421120224101), we get a palindrome (522542245225).

The spelling of 101422021124 in words is "one hundred one billion, four hundred twenty-two million, twenty-one thousand, one hundred twenty-four".