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122210022012121 = 7311232199167789
BaseRepresentation
bin11011110010011000111100…
…111100110011010011011001
3121000201011102120002112111001
4123302120330330303103121
5112004242111113341441
61111530301542305001
734512245162300401
oct3362307474632331
9530634376075431
10122210022012121
1135a37a8546523a
1211859155128161
1353264814068a4
142226dd4a53801
15e1de6a862731
hex6f263cf334d9

122210022012121 has 16 divisors (see below), whose sum is σ = 124001914871680. Its totient is φ = 120421325566080.

The previous prime is 122210022012119. The next prime is 122210022012149. The reversal of 122210022012121 is 121210220012221.

It is a cyclic number.

It is not a de Polignac number, because 122210022012121 - 21 = 122210022012119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122210022012101) 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, 1802766295 + ... + 1802834083.

It is an arithmetic number, because the mean of its divisors is an integer number (7750119679480).

Almost surely, 2122210022012121 is an apocalyptic number.

It is an amenable number.

122210022012121 is a deficient number, since it is larger than the sum of its proper divisors (1791892859559).

122210022012121 is a wasteful number, since it uses less digits than its factorization.

122210022012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90976.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122210022012121 its reverse (121210220012221), we get a palindrome (243420242024342).

The spelling of 122210022012121 in words is "one hundred twenty-two trillion, two hundred ten billion, twenty-two million, twelve thousand, one hundred twenty-one".

Divisors: 1 73 1123 21991 67789 81979 1605343 4948597 24695893 76127047 1490747899 1802800189 5557274431 108824596627 1674109890577 122210022012121