10202212122220 has 48 divisors (see below), whose sum is σ = 21699418970880. Its totient is φ = 4028622526656.

The previous prime is 10202212122187. The next prime is 10202212122227. The reversal of 10202212122220 is 2222121220201.

It is not an unprimeable number, because it can be changed into a prime (10202212122227) 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, 195390 + ... + 4521349.

It is an arithmetic number, because the mean of its divisors is an integer number (452071228560).

Almost surely, 2^{10202212122220} is an apocalyptic number.

10202212122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202212122220 is an abundant number, since it is smaller than the sum of its proper divisors (11497206848660).

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

10202212122220 is a wasteful number, since it uses less digits than its factorization.

10202212122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718134 (or 4718132 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10202212122220 its reverse (2222121220201), we get a palindrome (12424333342421).

The spelling of 10202212122220 in words is "ten trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty".