10042020122 has 8 divisors (see below), whose sum is σ = 15949090836. Its totient is φ = 4725656512.

The previous prime is 10042020091. The next prime is 10042020137. The reversal of 10042020122 is 22102024001.

It can be written as a sum of positive squares in 2 ways, for example, as 9674492881 + 367527241 = 98359^2 + 19171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10042020097 and 10042020106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147676733 + ... + 147676800.

Almost surely, 2^10042020122 is an apocalyptic number.

10042020122 is a deficient number, since it is larger than the sum of its proper divisors (5907070714).

10042020122 is a wasteful number, since it uses less digits than its factorization.

10042020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295353552.

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

Adding to 10042020122 its reverse (22102024001), we get a palindrome (32144044123).

The spelling of 10042020122 in words is "ten billion, forty-two million, twenty thousand, one hundred twenty-two".