105021510122 has 8 divisors (see below), whose sum is σ = 164381494176. Its totient is φ = 50227678732.

The previous prime is 105021510103. The next prime is 105021510133. The reversal of 105021510122 is 221015120501.

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

It is a super-2 number, since 2×105021510122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105021510094 and 105021510103.

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, 1141538108 + ... + 1141538199.

It is an arithmetic number, because the mean of its divisors is an integer number (20547686772).

Almost surely, 2^105021510122 is an apocalyptic number.

105021510122 is a deficient number, since it is larger than the sum of its proper divisors (59359984054).

105021510122 is a wasteful number, since it uses less digits than its factorization.

105021510122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283076332.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 105021510122 its reverse (221015120501), we get a palindrome (326036630623).

The spelling of 105021510122 in words is "one hundred five billion, twenty-one million, five hundred ten thousand, one hundred twenty-two".