100100220021253 has 2 divisors, whose sum is σ = 100100220021254. Its totient is φ = 100100220021252.

The previous prime is 100100220021157. The next prime is 100100220021313. The reversal of 100100220021253 is 352120022001001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78446767852324 + 21653452168929 = 8857018^2 + 4653327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100220021253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100100220021253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100220021553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050110010626 + 50050110010627.

It is an arithmetic number, because the mean of its divisors is an integer number (50050110010627).

Almost surely, 2^{100100220021253} is an apocalyptic number.

It is an amenable number.

100100220021253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100220021253 is an equidigital number, since it uses as much as digits as its factorization.

100100220021253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 100100220021253 its reverse (352120022001001), we get a palindrome (452220242022254).

The spelling of 100100220021253 in words is "one hundred trillion, one hundred billion, two hundred twenty million, twenty-one thousand, two hundred fifty-three".