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102223202232121 = 5325793121239623
BaseRepresentation
bin10111001111100010110001…
…101010000010011100111001
3111101221102221201112120122121
4113033202301222002130321
5101344311104232411441
61001224405114121241
730350245150256035
oct2717426152023471
9441842851476577
10102223202232121
112a631686785603
12b56b65b720221
1345067b69448c9
141b358b50751c5
15bc40d7b7bdd1
hex5cf8b1a82739

102223202232121 has 16 divisors (see below), whose sum is σ = 104226145752960. Its totient is φ = 100223032515840.

The previous prime is 102223202232091. The next prime is 102223202232157. The reversal of 102223202232121 is 121232202322201.

It is a cyclic number.

It is not a de Polignac number, because 102223202232121 - 213 = 102223202223929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102223202232161) 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, 426480316 + ... + 426719938.

It is an arithmetic number, because the mean of its divisors is an integer number (6514134109560).

Almost surely, 2102223202232121 is an apocalyptic number.

It is an amenable number.

102223202232121 is a deficient number, since it is larger than the sum of its proper divisors (2002943520839).

102223202232121 is a wasteful number, since it uses less digits than its factorization.

102223202232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245376.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102223202232121 its reverse (121232202322201), we get a palindrome (223455404554322).

The spelling of 102223202232121 in words is "one hundred two trillion, two hundred twenty-three billion, two hundred two million, two hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 53 2579 3121 136687 165413 239623 8049059 12700019 426600127 617987717 747863383 32753349001 39636759299 1928739664757 102223202232121