10220121202220 has 48 divisors (see below), whose sum is σ = 21555752248800. Its totient is φ = 4070277742080.

The previous prime is 10220121202217. The next prime is 10220121202229. The reversal of 10220121202220 is 2220212102201.

It is a happy number.

10220121202220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10220121202229) 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, 3067400 + ... + 5463440.

It is an arithmetic number, because the mean of its divisors is an integer number (449078171850).

Almost surely, 2^{10220121202220} is an apocalyptic number.

10220121202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220121202220 is an abundant number, since it is smaller than the sum of its proper divisors (11335631046580).

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

10220121202220 is a wasteful number, since it uses less digits than its factorization.

10220121202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396978 (or 2396976 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10220121202220 its reverse (2220212102201), we get a palindrome (12440333304421).

The spelling of 10220121202220 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred twenty".