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121222010010001 = 883175097840783
BaseRepresentation
bin11011100100000000110010…
…110110000111100110010001
3120220012201012022012111112111
4123210000302312013212101
5111342100134030310001
61105452342252225321
734351000261656445
oct3344006266074621
9526181168174474
10121222010010001
1135696a6944360a
1211719779a6b241
13528425695c924
1421d12687c2825
15e033e179a851
hex6e4032d87991

121222010010001 has 8 divisors (see below), whose sum is σ = 121366241010560. Its totient is φ = 121077794727792.

The previous prime is 121222010009951. The next prime is 121222010010047. The reversal of 121222010010001 is 100010010222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121222010010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222010010061) 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, 11540056 + ... + 19380838.

It is an arithmetic number, because the mean of its divisors is an integer number (15170780126320).

Almost surely, 2121222010010001 is an apocalyptic number.

It is an amenable number.

121222010010001 is a deficient number, since it is larger than the sum of its proper divisors (144231000559).

121222010010001 is an equidigital number, since it uses as much as digits as its factorization.

121222010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859175.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121222010010001 its reverse (100010010222121), we get a palindrome (221232020232122).

The spelling of 121222010010001 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, ten million, ten thousand, one".

Divisors: 1 883 17509 7840783 15460447 6923411389 137284269547 121222010010001