51302222220100 has 36 divisors (see below), whose sum is σ = 111577122138384. Its totient is φ = 20474566322080.

The previous prime is 51302222220097. The next prime is 51302222220103. The reversal of 51302222220100 is 102222220315.

It is an interprime number because it is at equal distance from previous prime (51302222220097) and next prime (51302222220103).

It is not an unprimeable number, because it can be changed into a prime (51302222220103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578987554 + ... + 579076153.

It is an arithmetic number, because the mean of its divisors is an integer number (3099364503844).

Almost surely, 2^{51302222220100} is an apocalyptic number.

51302222220100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51302222220100 is an abundant number, since it is smaller than the sum of its proper divisors (60274899918284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51302222220100 is a wasteful number, since it uses less digits than its factorization.

51302222220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158064164 (or 1158064157 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 51302222220100 its reverse (102222220315), we get a palindrome (51404444440415).

The spelling of 51302222220100 in words is "fifty-one trillion, three hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred".