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102223213312121 = 1173127301635507
BaseRepresentation
bin10111001111100010110010…
…010100010011100001111001
3111101221102222111101111112222
4113033202302110103201321
5101344311120101441441
61001224410151413425
730350245343404166
oct2717426224234171
9441842874344488
10102223213312121
112a631691a63130
12b56b663384275
1345067b9023c15
141b358b671b06d
15bc40d8b19d4b
hex5cf8b2513879

102223213312121 has 8 divisors (see below), whose sum is σ = 113043852331104. Its totient is φ = 91657177564320.

The previous prime is 102223213312057. The next prime is 102223213312189. The reversal of 102223213312121 is 121213312322201.

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

It is a cyclic number.

It is not a de Polignac number, because 102223213312121 - 26 = 102223213312057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102223213312321) 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, 63650816951 + ... + 63650818556.

It is an arithmetic number, because the mean of its divisors is an integer number (14130481541388).

Almost surely, 2102223213312121 is an apocalyptic number.

102223213312121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102223213312121 is a deficient number, since it is larger than the sum of its proper divisors (10820639018983).

102223213312121 is a wasteful number, since it uses less digits than its factorization.

102223213312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127301635591.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 102223213312121 its reverse (121213312322201), we get a palindrome (223436525634322).

The spelling of 102223213312121 in words is "one hundred two trillion, two hundred twenty-three billion, two hundred thirteen million, three hundred twelve thousand, one hundred twenty-one".

Divisors: 1 11 73 803 127301635507 1400317990577 9293019392011 102223213312121