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21223223231102 = 213181004668821
BaseRepresentation
bin1001101001101011010101…
…01011101000001001111110
32210010220211220202222201122
410310311222223220021332
510240210130121343402
6113045451505110542
74320220153646024
oct464655253501176
983126756688648
1021223223231102
11684279a253402
122469252628452
13bac458c89bb9
145352d0b82714
1526c0e8778ca2
hex134d6aae827e

21223223231102 has 8 divisors (see below), whose sum is σ = 32077848853512. Its totient is φ = 10530606946600.

The previous prime is 21223223231053. The next prime is 21223223231117. The reversal of 21223223231102 is 20113232232212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40502334149 + ... + 40502334672.

It is an arithmetic number, because the mean of its divisors is an integer number (4009731106689).

Almost surely, 221223223231102 is an apocalyptic number.

21223223231102 is a deficient number, since it is larger than the sum of its proper divisors (10854625622410).

21223223231102 is a wasteful number, since it uses less digits than its factorization.

21223223231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81004668954.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21223223231102 its reverse (20113232232212), we get a palindrome (41336455463314).

The spelling of 21223223231102 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 131 262 81004668821 162009337642 10611611615551 21223223231102