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13022210222121 = 323929059625007
BaseRepresentation
bin1011110101111111100000…
…1101101110100000101001
31201002220121012221201021210
42331133320031232200221
53201323441304101441
643410153142423333
72512552336360512
oct275377015564051
951086535851253
1013022210222121
114170763200371
12156395ba31b49
13735cb2233399
143303c7a89a09
15178b0e48d616
hexbd7f836e829

13022210222121 has 16 divisors (see below), whose sum is σ = 17436223180800. Its totient is φ = 8644837989648.

The previous prime is 13022210222117. The next prime is 13022210222123. The reversal of 13022210222121 is 12122201222031.

It is not a de Polignac number, because 13022210222121 - 22 = 13022210222117 is a prime.

It is a super-2 number, since 2×130222102221212 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13022210222123) 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, 20522800 + ... + 21147806.

It is an arithmetic number, because the mean of its divisors is an integer number (1089763948800).

Almost surely, 213022210222121 is an apocalyptic number.

It is an amenable number.

13022210222121 is a deficient number, since it is larger than the sum of its proper divisors (4414012958679).

13022210222121 is a wasteful number, since it uses less digits than its factorization.

13022210222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654308.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13022210222121 its reverse (12122201222031), we get a palindrome (25144411444152).

The spelling of 13022210222121 in words is "thirteen trillion, twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 239 717 29059 87177 625007 1875021 6945101 20835303 149376673 448130019 18162078413 54486235239 4340736740707 13022210222121