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220212201002021 = 2343973217734599
BaseRepresentation
bin110010000100100000100110…
…000001000001010000100101
31001212201002011220201101000022
4302010200212001001100211
5212330424041424031041
62100204031043324525
764245543425160044
oct6204404601012045
91055632156641008
10220212201002021
11641915195aaa28
1220846724680745
1395b4bc95719b7
143c5448254455b
151a6d3585c124b
hexc84826041425

220212201002021 has 8 divisors (see below), whose sum is σ = 229791871209600. Its totient is φ = 210632966351632.

The previous prime is 220212201001999. The next prime is 220212201002023. The reversal of 220212201002021 is 120200102212022.

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 220212201002021 - 218 = 220212200739877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212201002023) 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, 107855921 + ... + 109878678.

It is an arithmetic number, because the mean of its divisors is an integer number (28723983901200).

Almost surely, 2220212201002021 is an apocalyptic number.

It is an amenable number.

220212201002021 is a deficient number, since it is larger than the sum of its proper divisors (9579670207579).

220212201002021 is a wasteful number, since it uses less digits than its factorization.

220212201002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217778595.

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

Adding to 220212201002021 its reverse (120200102212022), we get a palindrome (340412303214043).

The spelling of 220212201002021 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred one million, two thousand, twenty-one".

Divisors: 1 23 43973 1011379 217734599 5007895777 9574443521827 220212201002021