51220122102215 has 32 divisors (see below), whose sum is σ = 68711820630336. Its totient is φ = 36336887541760.

The previous prime is 51220122102209. The next prime is 51220122102229.

51220122102215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51220122102215 - 2²² = 51220117907911 is a prime.

It is a super-3 number, since 3×51220122102215³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50279594 + ... + 51288183.

It is an arithmetic number, because the mean of its divisors is an integer number (2147244394698).

Almost surely, 2^{51220122102215} is an apocalyptic number.

51220122102215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51220122102215 is a deficient number, since it is larger than the sum of its proper divisors (17491698528121).

51220122102215 is a wasteful number, since it uses less digits than its factorization.

51220122102215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101568019.

The product of its (nonzero) digits is 1600, while the sum is 26.

It can be divided in two parts, 5122012 and 2102215, that added together give a palindrome (7224227).

The spelling of 51220122102215 in words is "fifty-one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred fifteen".