10220201211220 has 216 divisors, whose sum is σ = 29194528470912. Its totient is φ = 2940476647680.

The previous prime is 10220201211179. The next prime is 10220201211221. The reversal of 10220201211220 is 2211210202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10220201211194 and 10220201211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220201211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1077897 + ... + 4647823.

It is an arithmetic number, because the mean of its divisors is an integer number (135159854032).

Almost surely, 2^{10220201211220} is an apocalyptic number.

10220201211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10220201211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14597264235456).

10220201211220 is an abundant number, since it is smaller than the sum of its proper divisors (18974327259692).

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

10220201211220 is a wasteful number, since it uses less digits than its factorization.

10220201211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569991 (or 3569965 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10220201211220 its reverse (2211210202201), we get a palindrome (12431411413421).

The spelling of 10220201211220 in words is "ten trillion, two hundred twenty billion, two hundred one million, two hundred eleven thousand, two hundred twenty".