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122220220212021 = 341993660326927
BaseRepresentation
bin11011110010100010011100…
…110011110110001100110101
3121000202010202021210202202110
4123302202130303312030311
5112004424002333241041
61111535105525201233
734513055664461541
oct3362423463661465
9530663667722673
10122220220212021
1135a41339042818
121185b120560219
13532741819abb9
1422276c124aa21
15e1e365d21516
hex6f289ccf6335

122220220212021 has 8 divisors (see below), whose sum is σ = 166934934923904. Its totient is φ = 79492826154080.

The previous prime is 122220220212017. The next prime is 122220220212059. The reversal of 122220220212021 is 120212022022221.

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 122220220212021 - 22 = 122220220212017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220220212011) 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, 496830163341 + ... + 496830163586.

It is an arithmetic number, because the mean of its divisors is an integer number (20866866865488).

Almost surely, 2122220220212021 is an apocalyptic number.

It is an amenable number.

122220220212021 is a deficient number, since it is larger than the sum of its proper divisors (44714714711883).

122220220212021 is an equidigital number, since it uses as much as digits as its factorization.

122220220212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993660326971.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122220220212021 its reverse (120212022022221), we get a palindrome (242432242234242).

The spelling of 122220220212021 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 41 123 993660326927 2980980980781 40740073404007 122220220212021