10100121210122 has 12 divisors (see below), whose sum is σ = 16093791756150. Its totient is φ = 4752998216256.

The previous prime is 10100121210043. The next prime is 10100121210143. The reversal of 10100121210122 is 22101212100101.

It can be written as a sum of positive squares in 3 ways, for example, as 8240855334721 + 1859265875401 = 2870689^2 + 1363549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10100121210097 and 10100121210106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8737128497 + ... + 8737129652.

Almost surely, 2^{10100121210122} is an apocalyptic number.

10100121210122 is a deficient number, since it is larger than the sum of its proper divisors (5993670546028).

10100121210122 is a wasteful number, since it uses less digits than its factorization.

10100121210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474258185 (or 17474258168 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10100121210122 its reverse (22101212100101), we get a palindrome (32201333310223).

The spelling of 10100121210122 in words is "ten trillion, one hundred billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".