20110102210250 has 32 divisors (see below), whose sum is σ = 40541966062416. Its totient is φ = 7425268507200.

The previous prime is 20110102210249. The next prime is 20110102210259. The reversal of 20110102210250 is 5201220101102.

It can be written as a sum of positive squares in 8 ways, for example, as 44961385681 + 20065140824569 = 212041^2 + 4479413^2 .

It is not an unprimeable number, because it can be changed into a prime (20110102210259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3093858629 + ... + 3093865128.

Almost surely, 2^{20110102210250} is an apocalyptic number.

20110102210250 is an abundant number, since it is smaller than the sum of its proper divisors (20431863852166).

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

20110102210250 is a wasteful number, since it uses less digits than its factorization.

20110102210250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187723787 (or 6187723777 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20110102210250 its reverse (5201220101102), we get a palindrome (25311322311352).

The spelling of 20110102210250 in words is "twenty trillion, one hundred ten billion, one hundred two million, two hundred ten thousand, two hundred fifty".