10217202051 has 32 divisors (see below), whose sum is σ = 15862099968. Its totient is φ = 5729185440.

The previous prime is 10217202013. The next prime is 10217202067. The reversal of 10217202051 is 15020271201.

It is not a de Polignac number, because 10217202051 - 2⁹ = 10217201539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10217202551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356236 + ... + 383846.

It is an arithmetic number, because the mean of its divisors is an integer number (495690624).

Almost surely, 2^10217202051 is an apocalyptic number.

10217202051 is a deficient number, since it is larger than the sum of its proper divisors (5644897917).

10217202051 is a wasteful number, since it uses less digits than its factorization.

10217202051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27951.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 10217202051 its reverse (15020271201), we get a palindrome (25237473252).

The spelling of 10217202051 in words is "ten billion, two hundred seventeen million, two hundred two thousand, fifty-one".