21122103035 has 12 divisors (see below), whose sum is σ = 27860229264. Its totient is φ = 15361529040.

The previous prime is 21122103029. The next prime is 21122103109. The reversal of 21122103035 is 53030122112.

It is not a de Polignac number, because 21122103035 - 2⁴ = 21122103019 is a prime.

It is a super-2 number, since 2×21122103035² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21122102998 and 21122103016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17455679 + ... + 17456888.

It is an arithmetic number, because the mean of its divisors is an integer number (2321685772).

Almost surely, 2^21122103035 is an apocalyptic number.

21122103035 is a deficient number, since it is larger than the sum of its proper divisors (6738126229).

21122103035 is a wasteful number, since it uses less digits than its factorization.

21122103035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34912594 (or 34912583 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 21122103035 its reverse (53030122112), we get a palindrome (74152225147).

The spelling of 21122103035 in words is "twenty-one billion, one hundred twenty-two million, one hundred three thousand, thirty-five".