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121122102023321 = 722471879633129
BaseRepresentation
bin11011100010100011101111…
…110111011001010010011001
3120212212011022112200220211112
4123202203233313121102121
5111333431031104221241
61105334420413310105
734340532413050400
oct3342435767312231
9525764275626745
10121122102023321
113565865aa44483
1211702336a95335
1352779c4228649
1421ca4aba74637
15e009e56891eb
hex6e28efdd9499

121122102023321 has 6 divisors (see below), whose sum is σ = 140897139088410. Its totient is φ = 103818944591376.

The previous prime is 121122102023269. The next prime is 121122102023353. The reversal of 121122102023321 is 123320201221121.

It can be written as a sum of positive squares in only one way, i.e., 97243975447696 + 23878126575625 = 9861236^2 + 4886525^2 .

It is not a de Polignac number, because 121122102023321 - 26 = 121122102023257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122102023381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235939816516 + ... + 1235939816613.

It is an arithmetic number, because the mean of its divisors is an integer number (23482856514735).

Almost surely, 2121122102023321 is an apocalyptic number.

It is an amenable number.

121122102023321 is a deficient number, since it is larger than the sum of its proper divisors (19775037065089).

121122102023321 is an equidigital number, since it uses as much as digits as its factorization.

121122102023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471879633143 (or 2471879633136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121122102023321 its reverse (123320201221121), we get a palindrome (244442303244442).

The spelling of 121122102023321 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 7 49 2471879633129 17303157431903 121122102023321