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122220222212101 = 1341965581342143
BaseRepresentation
bin11011110010100010011100…
…111011011110100000000101
3121000202010202102120101100111
4123302202130323132200011
5112004424003341241401
61111535110040113021
734513056020461636
oct3362423473364005
9530663672511314
10122220222212101
1135a4133a189482
121185b121165771
13532741871b390
1422276c160b88d
15e1e3660b8e51
hex6f289cede805

122220222212101 has 16 divisors (see below), whose sum is σ = 131938308311040. Its totient is φ = 112547364557760.

The previous prime is 122220222212087. The next prime is 122220222212111. The reversal of 122220222212101 is 101212222022221.

It is a cyclic number.

It is not a de Polignac number, because 122220222212101 - 235 = 122185862473733 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 (122220222212111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357048636 + ... + 357390778.

It is an arithmetic number, because the mean of its divisors is an integer number (8246144269440).

Almost surely, 2122220222212101 is an apocalyptic number.

It is an amenable number.

122220222212101 is a deficient number, since it is larger than the sum of its proper divisors (9718086098939).

122220222212101 is a wasteful number, since it uses less digits than its factorization.

122220222212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408156.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122220222212101 its reverse (101212222022221), we get a palindrome (223432444234322).

The spelling of 122220222212101 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, one hundred one".

Divisors: 1 13 419 5447 65581 342143 852553 4447859 27478439 143357917 357219707 1863652921 22438080083 291695041079 9401555554777 122220222212101