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1202220021001 = 4767381778349
BaseRepresentation
bin10001011111101001111…
…001011011010100001001
311020221010210001212021111
4101133221321123110021
5124144121311133001
62320143043210321
7152600063366326
oct21375171332411
94227123055244
101202220021001
1142394995079a
12174bb90769a1
13894a45091bc
144228b2d7b4d
1521414a5e851
hex117e9e5b509

1202220021001 has 8 divisors (see below), whose sum is σ = 1246124534400. Its totient is φ = 1159079064528.

The previous prime is 1202220020999. The next prime is 1202220021011. The reversal of 1202220021001 is 1001200222021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202220021001 - 21 = 1202220020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202220021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190886026 + ... + 190892323.

It is an arithmetic number, because the mean of its divisors is an integer number (155765566800).

Almost surely, 21202220021001 is an apocalyptic number.

It is an amenable number.

1202220021001 is a deficient number, since it is larger than the sum of its proper divisors (43904513399).

1202220021001 is an equidigital number, since it uses as much as digits as its factorization.

1202220021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381778463.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202220021001 its reverse (1001200222021), we get a palindrome (2203420243022).

The spelling of 1202220021001 in words is "one trillion, two hundred two billion, two hundred twenty million, twenty-one thousand, one".

Divisors: 1 47 67 3149 381778349 17943582403 25579149383 1202220021001