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10210201221220 = 225711132923171913
BaseRepresentation
bin1001010010010011111101…
…1010101011100001100100
31100011002022110220200001221
42110210333122223201210
52314240443003034340
633414300210430124
72102443206265120
oct224447732534144
940132273820057
1010210201221220
113287138456760
12118a97b892344
13590a82a58c70
14274267d92580
1512a8cdc7144a
hex9493f6ab864

10210201221220 has 576 divisors, whose sum is σ = 29925110831616. Its totient is φ = 2825878487040.

The previous prime is 10210201221173. The next prime is 10210201221251. The reversal of 10210201221220 is 2212210201201.

It is a happy number.

10210201221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10210201221194 and 10210201221203.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5337270984 + ... + 5337272896.

It is an arithmetic number, because the mean of its divisors is an integer number (51953317416).

Almost surely, 210210201221220 is an apocalyptic number.

10210201221220 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 10210201221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14962555415808).

10210201221220 is an abundant number, since it is smaller than the sum of its proper divisors (19714909610396).

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

10210201221220 is a wasteful number, since it uses less digits than its factorization.

10210201221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2297 counting only the distinct ones).

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

Adding to 10210201221220 its reverse (2212210201201), we get a palindrome (12422411422421).

The spelling of 10210201221220 in words is "ten trillion, two hundred ten billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty".